Fine needle aspiration biopsy (FNAB) is the preferred procedure to find out the composition of a thyroid nodule and ascertain the need for further surgical intervention.
In an FNAB, a thin needle is inserted into the thyroid nodule and a small amount of tissue is removed and examined under a microscope. The procedure is usually performed in a doctor's office or clinic and provides rapid results. FNAB can differentiate between benign and malignant thyroid nodules with high accuracy, which helps in determining the appropriate course of treatment.
Mass spectrometry may be used as a complementary technique to FNAB, but it is not typically the first choice for the evaluation of thyroid nodules. Mass spectrometry is a more complex and specialized test that can provide detailed information about the chemical composition of a sample, but it is not commonly used to diagnose thyroid nodules.
In conclusion, FNAB is the preferred procedure for determining the composition of a thyroid nodule and evaluating the need for further surgical intervention.
You can learn more about thyroid nodule at
https://brainly.com/question/8794923
#SPJ4
why is the change in sensitivity of female midshipman fish to the 'songs' produced by males of their species a proximate example of stimulus filtering?
Answer:
The change in sensitivity of female midshipman fish to the 'songs' produced by males of their species is a proximate example of stimulus filtering because it involves a physiological change in the female fish's auditory system that results in a selective response to certain sounds produced by the males.
Stimulus filtering refers to the process by which an organism's sensory system selectively responds to certain stimuli, while disregarding others. This can occur at different levels, including the level of the sensory receptors, the processing of sensory information in the brain, or the behavior of the organism.
In the case of the female midshipman fish, their sensitivity to the 'songs' produced by males of their species changes depending on their reproductive state. This change in sensitivity is a result of the females' auditory system becoming more sensitive to specific frequencies of the males' songs, while becoming less sensitive to others. This allows the females to selectively respond to only the most desirable males and disregard others.
Thus, the change in sensitivity of the female midshipman fish to the 'songs' produced by males of their species is a proximate example of stimulus filtering, as it involves a physiological change in the auditory system of the female fish that allows them to selectively respond to certain sounds.
Why has it been difficult for scientists to edit specific genes?
No matter the research, essential genes are crucial for organism to survive. Altering genetic sequence in any way can lead to lethality, therefore, making it essential genes difficult to edit.
Why is it difficult for scientists to edit specific genes?There are many reasons why it has been difficult for scientists to edit specific genes:
Human genome is extremely complex, making it challenging to target specific gene for editing.
Traditional gene editing methods such as restriction enzymes and insertion/deletion can cause unintended mutations in genome.
Gene editing methods that use viral vectors can trigger immune response, which make it difficult to achieve stable and long-lasting gene editing.
To know more about gene editing, refer
https://brainly.com/question/29096691
#SPJ1
by which process do oxygen and carbonDIOxide Move bEtwEEN CELLS ANd capillaries
a. breathing
b.diffusion
c.excretion d. respiration
the process is diffusion - b
Answer:
b. diffusion
Explanation:
diffusion is the process by which process do oxygen and carbon dioxide Move between cells and capillaries.Diffusion is the movement of molecules from a region where they are more concentrated to one where they are less concentrated. Therefore, "Movement of molecules from a region of their greater concentration to a region of their lower concentration" is the right response. The definition of diffusion is the transfer of individual molecules of a material from a region of higher concentration to a region of lower concentration over a semipermeable barrier.
a version of a gene is called a(n)(1 point) responses genotype. genotype. allele. allele. phenotype. phenotype. gamete.
how can WALL-E be related to our society today? what can we do to help mitigate this problem/issue?
Promote debates and increase public awareness of crucial biological issues like pollution and garbage disposal.
What is WALL-E?The fact that WALL-E is a work of fiction, the film's themes, such as environmentalism and sustainability, have been utilised to promote debates and increase public awareness of crucial biological issues like pollution and garbage disposal.
In WALL-E, a society that has lived past its means is portrayed, leaving behind a dirty and dismal planet. This is a reflection of the current environmental disaster that has been brought on by overconsumption and a disdain for the environment. People can adopt sustainable lives by cutting back on waste, conserving resources, and making eco-friendly decisions to help minimise this problem. Governments can put rules into place to control business and support green technologies. Our earth may be preserved for future generations through group initiatives like recycling programmes and support for renewable energy.
To know more about environment, visit:
brainly.com/question/13107711
#SPJ1
which lab value is most concerning in an infant with fever and a suspected bacterial infection?
A C-reactive protein lab value of 11.5 mg/L is especially alarming in an infant with a fever and a probable bacterial illness. Option A is correct.
CRP levels generally non-specific acute phase markers of inflammation with minimal diagnostic value, with the exception of predicting the chance of sepsis in babies when the level is more than 10 mg/L. Elevated lymphocyte, platelet, or WBC counts aid in the differential diagnosis, but are not very alarming.
A bacterial infection occurs whenever germs enter the body, multiply, and induce a response. Bacteria can enter your body through an incision in your skin, such as a cut or surgical wound, either through your airway, causing diseases such as bacterial pneumonia. It is critical to get treatment since an untreated bacterial infection may cause catastrophic complications.
The complete question is
Which lab value is most concerning in an infant with fever and a suspected bacterial infection?
A. C-reactive protein of 11.5 mg/L
B. Lymphocyte count of 8.7
C. Platelet count of 475
D. White blood cell count of 14
To know more about the Bacterial infection, here
https://brainly.com/question/29749910
#SPJ4
Briefly explain, in general terms, how of the protein components in root cells come to be different from the proteins found in leaf cells.
To up take mineral ions and water molecules from the soil, root hair cells have special protein carriers located in their outer membrane. These cells primarily perform the absorption function.
What are the functions of proteins?Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues.
Protein has many roles in your body. It helps repair and build your body's tissues, allows metabolic reactions to take place and coordinates bodily functions. In addition to providing your body with a structural framework, proteins also maintain proper pH and fluid balance.
Proteins serve many functions in cells. They act as enzymes that catalyze chemical reactions, provide structural support, regulate the passage of substances across the cell membrane, protect against disease, and coordinate cell signaling pathways.
Learn more about proteins:
https://brainly.com/question/29776206
#SPJ1
red-green color blindness is a sex-linked recessive trait on the x chromosome. a woman who is colorblind marries a man with normal vision. what is the probability that they would have a child with normal vision?
Red-green partial blindness is a sex-connected passive characteristic in people. It is brought about by a hereditary transformation on the X chromosome. It is a passive character.
A passive allele on the X chromosome is liable for red-green visual impairment in people. A lady with an ordinary vision whose father is visually challenged weds a partially blind male.
The little girl can have a red-green visual impairment in the event that she got two duplicates of Xc chromosomes. Since her dad just has one X chromosome, his genotype should be XcY. The other X chromosome needed to come from her mom.
To learn more about chromosomes here
https://brainly.com/question/1596925
#SPJ4
1. What was your Overshoot Day? Explain what overshoot refers to in relation to your own ecological footprint. (Find this answer by selecting the little і info icon beside the overshoot day.)
Overshoot Day marks the date when humanity's demand for ecological resources and services in a given year exceeds what Earth can regenerate in that year.
What are the characteristics of overshoot day?Earth Overshoot Day marks the date when humanity has exhausted nature's budget for the year. For the rest of the year, we are maintaining our ecological deficit by drawing down local resource stocks and accumulating carbon dioxide in the atmosphere.
Earth Overshoot Day is the day that humanity's demand for ecological resources exceeds the resources Earth can regenerate within that year. 28 July marks Earth Overshoot Day for 2022 - a big shift compared to 30 December in 1970.
Overshoot is driven by four key factors: 1) how much we consume, 2) how efficiently products are made, 3) how many of us there are, and 4) how much nature is able to produce.
Learn more about overshoot day:
https://brainly.com/question/12573886
#SPJ1
1. Based on these two crosses you probably have an idea about how vestigial wings are inherited. Is VG recessive or dominant?How do you know?
The inheritance of the vestigial wings is recessive as we can see that neither of the offspring had the vestigial wings and were wild types.
Vestigial gene product is basically what is required for the completion of wing development that we see in Drosophila melanogaster. In the absence of this vestigial gene expression, cells fail to proliferate normally and result in producing adults who have severely reduced wings.
The inheritance of vestigial wings in Drosophila is recessive as in Drosophila, vestigial ( represented as "vg") wings are recessive to the normal long wings (represented as "vg+"), and the gene for this trait is autosomal. We can tell that the inheritance is recessive as neither of the offspring had the vestigial wings and both of them were wild types.
To know more about vestigial wings here
https://brainly.com/question/13502484
#SPJ4
what is the effect of a significant first-pass effect on the metabolism of a medication?
The effect of first pass effect on the metabolism of a medication is that the bioavailability of the drug is reduced.
First pass effect of drugs is a phenomenon of metabolism where the concentration of the medication or drug is highly reduced before reaching the systemic circulation such that the drugs never reach their target site. The phenomenon can be observed in the liver.
Bioavailability is defined as the percentage of the drug administered into the body that gets absorbed by the target site. This is the amount of drug which reaches into the systemic circulation. Intravenous administration generally has 100% bioavailability.
To know more about bioavailability, here
brainly.com/question/6400291
#SPJ4
Please help me answer! I only have about 10 mins to answer!!
which condition explains the genetic basis for cancer development? group of answer choices decreased immune function exposure to ionizing radiation infection by oncogenic bacteria loss of or defect in tumor suppressor genes
Loss of or defect in tumor suppressor genes explains the genetic basis for cancer development
The genetic basis for cancer development is largely explained by loss of or defects in tumor suppressor genes. These genes play an important role in regulating cell division and preventing the formation of tumors. When they are lost or mutated, they can lead to uncontrolled cell division, which can eventually form a cancerous tumor. Loss of tumor suppressor genes can be inherited, but they can also occur due to mutations acquired over time. These mutations can be caused by exposure to environmental factors such as ionizing radiation or certain chemicals, or due to errors that occur during DNA replication. The presence of oncogenic bacteria can also increase the risk of cancer, but the primary explanation for the genetic basis of cancer development is loss of or defects in tumor suppressor genes.
To know more about oncogene
https://brainly.com/question/13252012
#SPJ4
What folds the primary protein into secondary and tertiary protein?
Amino and carboxyl groups in nearby areas of the protein chain form hydrogen bonds which is responsible for folding of primary protein in certain pattern that derive into secondary and tertiary protein.
What happens when a protein transitions from primary to secondary structure?A chain of amino acids arranged in a linear way contributes up the main structure. Regions of amino acid chains that are sustained by hydrogen bonds from the polypeptide backbone are present in the secondary structure. The secondary structure is created by these hydrogen bonds as alpha-helixes and beta-pleated sheets.
Which connections allow a secondary protein to fold into a tertiary protein?The hydrophobic interaction is one sort of interaction that is essential for the proper folding of a protein. Amino acids with nonpolar side chains typically cluster towards the centre of proteins as they fold into their proper shapes, avoiding water.
Learn more about primary protein here:
brainly.com/question/13281045
#SPJ4
what causes filtrate to flow from the blood into the glomerulus
The filtrate flows from the blood into the glomerulus due to pressure difference.
The glomerulus is a tuft of tiny blood vessels in the kidney where blood is filtered. Blood pressure in the glomerulus is higher than in the Bowman's capsule, which is the structure surrounding the glomerulus.
This pressure difference forces the water and small solutes from the blood into the Bowman's capsule, creating a filtrate that will eventually become urine.
The filtration of blood into the Bowman's capsule is called glomerular filtration, and it is an essential step in the formation of urine. Blood pressure in the glomerulus is regulated by the renal system, which helps to maintain a balance between the filtration and reabsorption of water and solutes in the kidney.
To learn more about blood, visit:
https://brainly.com/question/14781793#
#SPJ11
you have joined a lab that studies the metabolic pathway shown below. just recently, an inhibitor for one of the enzymes, enzyme 3, has become available and the head of the lab wants you to use this inhibitor to determine whether the pathway is linear (as shown) or circular, with another enzyme (not shown) converting f back to a. you have access to all the molecules. what result suggests that the pathway may be circular rather than linear?
You have joined a lab that studies the metabolic pathway shown below. just recently, an inhibitor for one of the enzymes, enzyme 3, has become available and the head of the lab wants you to use this inhibitor to determine whether the pathway is linear (as shown) or circular, with another enzyme (not shown) converting f back to a. You have access to all the molecules. The result suggests that the pathway may be circular rather than linear is inhibition of enzyme 3 and addition of extra metabolite D causes accumulation of C.
Inhibitor is a chemical substance that can inhibit or slow down a chemical reaction. The way inhibitors work to slow down a chemical reaction is by binding to the active side of the enzyme so that it inhibits the bond between the enzyme and the substrate.
Metabolic pathways are a series of chemical reactions that convert one or more reagents into the final products needed by the cell. Enzymes can play a role in metabolic pathways by catalyzing the sequence of reactions into end products. By adding an inhibitor to the reaction it will inactivate enzyme 3 thereby slowing down the reaction. The pathways in circular metabolism because the addition of metabolites causes a buildup so as to form a circle.
Learn more about enzyme at:
https://brainly.com/question/29774898
#SPJ4
mrs cooper wants a fishpond in her backyard. the pond will include plants and fish that normally live in temperate lakes. what are three abiotic factors and one biotic factor that she needs to consider when setting up the pond? for each factor, explain why it is important and how she can control the factor.
Three abiotic factors are Water Temperature, Water Chemistry, and Light and one biotic factor that she needs to consider when setting up the pond is Competition.
Abiotic Factor: Water Temperature - It is vital to keep up with the fitting temperature for the plants and fish in the lake as their endurance relies upon it. Mrs. Cooper have some control over the temperature by picking plants and fish that are local to her area and are adjusted to the nearby temperature range. She can likewise introduce a warmer or use shade to control the temperature.
Abiotic Factor: Water Chemistry - The pH, disintegrated oxygen, and supplement levels in the water should be kept up with inside the fitting reach for the plants and fish to flourish. Mrs. Cooper have some control over the water science by routinely trying things out and adding synthetic compounds on a case by case basis to change the pH and supplement levels. She can likewise add plants and fish that are adjusted to various water science conditions.
Abiotic Factor: Light - Satisfactory light is significant for the development of sea-going plants, which act as a wellspring of food and oxygen for the fish. Mrs. Cooper have some control over how much light by putting the lake in an area that gets the fitting measure of daylight and concealing the lake as needs be.
Biotic Factor: Competition - Fish and plants in the lake will seek food, space, and different assets. Mrs. Cooper have some control over this element by picking a blend of animal types that have correlative necessities and not overloading the lake. She can likewise routinely screen the lake to guarantee that the populaces are in balance.
To learn more about abiotic and biotic factor, refer:
https://brainly.com/question/4469475
#SPJ4
how is polygenic inheritance defined?
“Polygenic inheritance is delimited as quantitative legacy, place diversified independent genes have a supplement or identical effect on a single determinable trait.”
Polygenic inheritance is also known as a diversified deoxyribonucleic acid legacy or multiple determinant legacies. Polygenic inheritance characterizes the legacy of traits that are determined by the as well individual genes. These genes, called polygenes, produce particular characteristics when they are expressed together. Polygenic inheritance varies from Mendelian legacy patterns, where characteristics are contingent upon a distinct gene.
Usually, traits are polygenic when skilled is a wide alternative in the characteristic. For example, people can be of many various sizes. Height is a polygenic characteristic, conditional to at least three genes accompanying six alleles. If you are the main for all of the alleles for height, therefore you will be very lengthy.
To know more about polygenic inheritance refer to: https://brainly.com/question/984479
#SPJ4
Beadle and Tatum’s BEST contribution to how gene expression is understood can be summarized as what?A. One gene produces one protein.B. Independent assortment occurs.C. DNA is the genetic molecule.D. Information flows from DNA to RNA to protein.
Answer:
D. Information flows from DNA to RNA to protein.
One gene produces one protein is the best contribution to how gene expression is understood.
George Beadle and Edward Tatum's work demonstrated that genes are responsible for producing the enzymes that control metabolic processes. The theory that each gene directly generates a single enzyme, which in turn impacts a single step in a metabolic pathway, is known as the "one gene, one enzyme" hypothesis. It was first put forth by George Wells Beadle in the US in 1941.
What is gene?
The term "gene" has a variety of meanings in biology. The molecular gene is a sequence of nucleotides in DNA that is transcribed to form a functional RNA, whereas the Mendelian gene is the fundamental unit of inheritance.
To learn more about gene visit;
https://brainly.com/question/8832859
#SPJ4
Write in your own words
1.Which chromosome is hemophilia attached/carried on?
2. Are males or females more likely to have hemophilia?
3. What is a carrier?
4. Who can be a carrier of hemophilia?
5. Does a carrier have hemophilia?
The X chromosome houses the faulty gene that causes hemophilia. Women can have hemophilia, despite the fact that it is less common in them than in men.
What in biology is the carrier?a person with one copy of a disease-causing gene mutation who exhibits only minimal or nonexistent clinical symptoms. A biological child can inherit the mutant gene from a carrier. A child who receives one mutant copy of a particular gene of each parent typically manifests the sickness or condition.
Who can be a hemophilia carrier?Hemophilia is "carried" by females who have one abnormal X chromosome. She is capable of passing the afflicted gene to her offspring. A female carrier may also occasionally exhibit hemophilia symptoms.
To know more about hemophilia visit:
https://brainly.com/question/18916729
#SPJ1
which of the following is true of osmosis? which of the following is true of osmosis? osmosis only takes place in red blood cells osmosis is an active form of transport in osmosis, water moves across a membrane from areas of lower solute concentration to areas of higher solute concentrations. in osmosis, solutes move across membranes from areas of lower water concentration to areas of higher water concentration.
The correct answer is: In osmosis, water moves across a membrane from areas of lower solute concentration to areas of higher solute concentration
Osmosis is a phenomena by which water moves through a semipermeable membrane following a concentration gradient. It means that water moves from regions with lower solute concentration to sites of higher solute concentrations.
For example, when an individual cell is subjected to a hypertonic solution (a solution with high solute content), water inside the cell tends to get out. This kind of process is spontaneous, it means it does not require energy supply.
Learn more about to osmosis
https://brainly.com/question/1799974
#SPJ4
Would a business be able to do well if it was having fights with the neighbors who own land next to them?
Answer:
No, it would not it would cause conflict.
Explanation:
what happens when oxygenated and deoxygenated blood mix in the heart
Answer:
In such a situation both lungs and tissues would receive blood with the same amounts of oxygen, which would affect the efficiency of the delivery of O2 to the tissues of the body. Generally, it occurs when there's a ventricular septal defect (a hole between the two ventricles), that causes the poorly oxygenated and well oxygenated blood to mix resulting into semi oxygenated blood.
It results in blood circulating in the arteries to be less oxygenated than it should due to which activity of the animal would be decreased.
through his experiments with breeding pea plants, gregor mendel was able to determine how dominant and recessive genes are inherited over a series of generations. this is an example of
Gregor Mendel was able to determine how dominant and recessive genes are inherited over a series of generations, that is an example of transmission genetics.
Transmission genetics is the study of the transmission of genetic information from one generation to the next.
Mendel developed three principles of inheritance that described the transmission of genetic traits by experimenting with pea plant breeding long before anyone knew what genes were. Mendel's discovery greatly expanded our understanding of genetic inheritance and sparked the development of new experimental techniques.
When Mendel cross-pollinated one purebred plant with another, the offspring resembled either of the parent plants, not a mix of the two. Mendel, for example, did not get semi-wrinkly seeds when he crossed wrinkled seeds with smooth seeds. Instead, this cross produced only smooth seeds. In general, if the offspring of purebred plant crosses resembled only one of the parents in terms of a specific trait, Mendel designated the expressed parental trait as the dominant trait.
Learn more about transmission genetic here: https://brainly.com/question/930755
#SPJ4
A lactic acid buffer at pH 4.86 contains 50mM sodium lactate. What is the concentration of lactic acid present in the solution given that the pKa of lactic acid is 3.86?
5M
Not enough information is provided to answer the question
50mM
500mM
5mM
The concentration of the lactic acid present in the solution with the pKa of lactic acid is 3.86, is 5mM.
The concentration of -OH = 0.1 mM or we can say 10⁻⁴ M
The relation between pOH and -OH can be given as:
⇒ pOH = - log {-OH}
⇒ pOH = - log {10⁻⁴}
⇒ pOH = 4
The relation between pH and pOH can be given as:
⇒ pH = 14 -pOH
⇒ pH = 14- 4
⇒ pH = 10
According to the data provided to us,
pKa = 3.86
pH = 4.86
Sodium lactate = 50 mM
To calculate for lactic acid we will use the Henderson Hasselbalch equation.
To find the pKa from the Ka,
pKa = -log Ka =3.86
pH = pKa + log (Sodium lactate)/(Lactic acid)
4.86 = 3.86 + log (Sodium lactate)/(Lactic acid)
log (Sodium lactate)/(Lactic acid) = 1
(Sodium lactate)/(Lactic acid) = 10
Putting the value for sodium lactate,
⇒ 50 / Lactic acid = 10
⇒ Lactic acid = 50/10
⇒ Lactic acid = 5 mM
Therefore, the concentration of lactic acid present in the solution is 5 mM.
To know more about Henderson Hasselbalch equation here
https://brainly.com/question/13423434
#SPJ4
item 19 when testing tonicity in elodea cells, once elodea cells were placed in distilled water, what did you observe? select all that apply.
When testing for tonicity in Elodea cells, once Elodea cells were placed in the distilled water, it was observed that cell membranes were pressed tightly against the cell walls and there was a presence of full central vacuoles.
Elodea leaf cell basically is an example of a typical plant cell. It contains a nucleus, and also a stiff cell wall which gives the cell its box-like shape. The numerous amount of green chloroplasts allow the cell to produce its own food by the process of photosynthesis. The central vacuole happens to take up most of the volume of the cell.
While testing for tonicity in the Elodea cells, the Elodea cells were placed in the distilled water. It was then observed that cell membranes were pressed tightly against the cell walls and there was a presence of full central vacuoles.
Hence, the correct options are options B and C.
--The given question is incomplete, the complete question is,
"When testing tonicity in elodea cells, once elodea cells were placed in distilled water, what did you observe?
A. The cell shrunk completely
B. Central vacuoles were full
C. Cell membranes were pressed tightly against the wall"
To know more about Elodea cells here
https://brainly.com/question/10962821
#SPJ4
in a genin mendel's experiments, a true-breeding pea plant with yellow seeds (yy) was mated with a true-breeding pea plant with green seeds (yy). what was the genotypic ratio of the f1 generation?etic cross, the offspring of the f1 generation are the
The phenotypic traits that pea plants exhibit are green and yellow seeds. According to the Law of Dominance, it is possible to conclude that the Yellow Seed Allele is Dominant Over the Green Seed Allele if Yellow Color Seeds are Found in All Plants of the F1 Generation.
While recessive genes can only express when homozygotes exist, dominant alleles can be easily observed in heterozygous plants.
The organism that carries a lethal allele dies as a result of the allele. Mutations in the genes required for growth or development are typically the cause of them. Lethal alleles can be recessive, dominant, or conditional depending on which gene or genes are involved. The allele for yellow seeds is present in the example given.
To know more about genes here
https://brainly.com/question/24519638
#SPJ4
how many nucleotide in this gene contian te nase adenine
The number of nucleotides containing adenine in a gene is not a fixed value and depends on the specific gene being considered.
Adenine is one of the four nucleotide bases found in DNA and RNA, along with guanine, cytosine, and thymine (or uracil in RNA). The specific sequence of these nucleotides determines the genetic code of a gene and the information it encodes for the production of a protein. The number of adenine nucleotides in a gene will vary based on the specific sequence and length of the gene.
To learn more about nucleotide visit:
https://brainly.com/question/16308848#
#SPJ11
Determining the number of nucleotides in a gene that contain adenine involves counting the number of times the base "A" appears in the gene's sequence. This information is crucial for understanding the genetic makeup of a particular organism and for making predictions about the protein that the gene will encode
A nucleotide is a building block of DNA and RNA, which are the genetic materials of all living organisms. It consists of a nitrogenous base, a sugar molecule, and a phosphate group. There are four nitrogenous bases in DNA: adenine (A), cytosine (C), guanine (G), and thymine (T).
When it comes to determining the number of nucleotides in a gene that contain the base adenine, it's a simple matter of counting the number of times the letter "A" appears in the gene's sequence. The sequence of a gene provides the instructions for making a particular protein, so it is important to know the exact number of nucleotides in a gene and which bases they contain.
It is possible to use various techniques, such as PCR (polymerase chain reaction), sequencing, or bioinformatics tools, to determine the complete nucleotide sequence of a gene. Once you have the complete sequence, you can count the number of "A"s in the sequence and determine the number of nucleotides that contain adenine.
To know more about nucleotide, visit:
https://brainly.com/question/30299889?#
#SPJ11
if an island of 1,000 km2 has 30 native reptile species, how many reptile species would you expect to find on a similar island of only 500 km2?
27 reptile species would you expect to find on a similar island of only 500 km2
Reptiles, as most commonly defined are the animals in the class Reptilia, a paraphyletic grouping comprising all sauropsids except birds.
The oldest known proto-reptiles first appeared during the Carboniferous period, 312 million years ago. They descended from sophisticated reptiliomorph tetrapods that improved their adaptation to living on dry land. Hylonomus, a little creature that appeared to be a lizard at first glance, was the first eureptile (genuine reptile) ever discovered. Archosauromorpha (crocodilians, birds, and kin) and Lepidosauromorpha (lizards, and kin), the two greatest lineages of reptiles, are thought to have diverged close to the end of the Permian epoch, according to genetic and fossil evidence. Along with the reptiles that are still alive, many different species of reptiles have gone extinct, sometimes as a result of catastrophic extinctions. All non-avian dinosaurs, including pterosaurs, plesiosaurs, and numerous species of crocodyliforms and squamates, perished during the Cretaceous-Paleogene extinction event (e.g., mosasaurs). Reptiles other than birds live everywhere nowadays.
To know more about reptile species click here:
https://brainly.com/question/15070807
#SPJ4
The theory of evolution was once a _______ that was tested repeatedly and always supported by the data collected by various scientists around the world.
The theory of evolution was once a hypothesis that was tested repeatedly and always supported by the data collected by various scientists around the world.
A hypothesis is a scientific explanation for an observation or a set of observations. In order for a hypothesis to become widely accepted as a scientific theory, it must be tested extensively and repeatedly and must withstand scrutiny from other scientists.
The theory of evolution, which explains how species change over time through processes such as natural selection, was first proposed by Charles Darwin in 1859. Since then, it has been tested extensively through a variety of different methods, including observational studies, experiments, and analysis of the fossil record.
The data collected from these studies has consistently supported the theory of evolution, and it is now widely accepted as one of the central principles of modern biology.
To learn more about theory of evolution, visit:
https://brainly.com/question/6111443#
#SPJ11
