Answer:
D. Variation existed in the traits of the fox population. Foxes with smaller ears and noses were able to stay warmer and were more likely to survive and reproduce to pass their genes on to offspring. Over time, the fox population showed a shift to smaller ears and noses.
Explanation:
Adaptation does not happen overnight, and humans didn't breed foxes to have white fur. Smaller ears and noses allow less exposure to the cold because of their smaller surface area, which prevents heat loss. Foxes with smaller noses and ears didn't die of hypothermia, which allowed them to survive and breed and pass their genes to their offspring.
How are the rates of use and renewal of game animals regulated?
Hunting licenses ensure that a certain limit of animals is to be killed, as animals are a very important part of wildlife.
What are hunting licenses?
Hunting license/ permit: it is a legal authorization that controls hunting in both commercial and recreational purposes. This license allows a person to buy hunting tags and enter draws. It is a proof of hunter safety education course.
These hunting licenses maintain game animals a renewable resources by keeping populations of wild animals stable.
It helps maintain a proper balance between human needs and the population of animals.
These rules along with the license are to make sure that not just anyone can go and hunt the wild animals.
It also regulates hunting frequency, which prevents wildlife extinction or endangerment.
Therefore, hunting licenses are a way to ensure that only a certain number of animals are killed.
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Molecular basis of non infectious diseases
The molecular basis of non-infectious diseases is associated with the organism's response to genetic and environmental diseases that are not spread among suitable hosts.
What are non-infectious diseases?The expression non-infectious diseases is broad and it includes all types of diseases that are not spread among individuals in any type of environmental phenomena. These types of diseases are multifactorial since they are caused by both environmental and genetic factors.
For example, cardiovascular diseases and obesity are non-infectious diseases caused by environmental factors (e.g. consumption of salt in the case of cardiovascular diseases or fat in the case of obesity), and also by certain genetic factors that increase the risk form suffering these diseases.
Therefore, with this data, we can see that non-infectious diseases are associated with both genetic and environmental factors and they are not spread as occurs with infectious diseases caused by viruses and bacteria.
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With a greater understanding of the neurobiology of behavior and the role of physiology in behavioral expression, explain how this knowledge is important for understanding the variations of behavior in both humans and non-human animals. How is this important for understanding differences in behavioral expressions between species?
Neurobiology is scientifically studying how our nervous system and brain function, and its related structures such as the spine.
The field of neurobiology of behavior investigates how neurology influences behavior. The frontal lobe is linked to personality, judgment, problem-solving, abstract thought, attention, and other behaviors. Additionally, neurotransmitters are in charge of igniting, inhibiting, and modifying neurons that further influence human behavior. The study of physiology focuses on the origins of significant bodily functions, including hunger, behavioral potentials, innate drives, and many other situations that influence our behavior. The brain is where a living thing's genes and environment converge, or where nature and nurture interact. That is how the environment in our brain and our genes interact. Our environment has the potential to impact our genetically predetermined biochemistry and brain circuitry.
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Ryan is about to board an airplane to fly to Florida for Spring Break. He is very anxious to fly, but he knows his body is having this normal reaction to a stressor. His palms start to sweat, his heart starts racing, and his breathing becomes much faster in anticipation of the flight. Construct an argument using the observations above of how the body is a system of interacting subsystems. Be sure to include at least two body systems involved and how they are working together during this stress response.
The body is a system of interacting subsystems as seen in the instance of Ryan for the following reasons:
the nervous system interacts with the respiratory system to increase the breathing ratethe nervous system interacts with the cardiovascular system to increase blood flow.What are organ systems?Organ systems refer to the system of organs found in the body that work together to perform one or more specific functions.
There are several organ systems in the body that interact with each other.
Some of the organ systems in the body interacting with each other include:
nervous systemmusculoskeletal systemdigestive systemexcretory systemrespiratory systemThe stress response in the body is an example of the interaction of the organ systems in the body.
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What are the steps for photosynthesis?
Photosynthesis is defined as the process by which plants use energy from sunlight in the manufacturing of food.
What are the steps of photosynthesis?The photosynthetic process in green plants occur in four distinct steps that includes the following:
Absorption of light: This is the first and important stage of photosynthesis that involves the absorption of light by the chlorophyll which is located at the chloroplast of.most green plants. This leads to the splitting of waters molecules to form oxygen.Electron transfer: As the electrons are transferred through the membrane, protons are pumped out of the membrane, resulting in the proton gradient across the membrane.Generation of Adenosine triphosphate (ATP): The movement of protons from the thylakoid lumen to the stroma leads to the generation of ATP.Carbon fixation: The ATP generated drive the process of reducing carbon into six-carbon sugar molecules.Learn more about photosynthesis here:
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Look at the equation below. It can be used to calculate distances with ultrasound.
What does the t represent?
Enter your answer
S=vxt
Answer:Doesn't t represent time?
Explanation:
tRNA has an _____ at one end that compliments the mRNA codon and an _____ at the other end.
Answer:
tRNA has an anticodon at one end that compliments the mRNA codon and an attachment site to a specific amino acid that corresponds to the anticodon sequence at the other end.
True or false: Carbon in the form of carbon dioxide is needed for both processes of photosynthesis and cellular respiration.
Answer:
yes
Explanation:
it is need for both photosynthesis and cellular respiration
25. (03.06 LC)
In which zone would you expect to find the least amount of biodiversity due to the variable conditions it experiences? (3 points)
Sublittoral zone
Low intertidal zone
High littoral zone
O Middle intertidal zone
In the High Littoral Zone one can expect to find the least amount of biodiversity.
What are Littoral Zone?
When sunlight is present at the sediment level, aquatic plants that are partially to totally submerged flourish and are said to be in the littoral zone of an aquatic ecosystem(river, lake, or sea). Numerous nutrients, dissolved oxygen, water velocity, and alternate periods of submersion and exposure are other characteristics.
What is Biodiversity?
The variety of animals, plants, fungi, and even microorganisms like bacteria that make up our natural environment are all included in what is known as biodiversity. These various species and organism collaborate in complicated web-like ecosystems to keep things in balance and support life.Biodiversity supports everything in nature that we need to survive: food, clean water, medicine, and shelter.
Therefore, High Littoral Zone would be the correct answer.
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______Cannot control heat loss from the body
Adipose tissue cannot control heat loss from the body
Adipose tissue is present beneath the skin which protect the skin from heat loss and it will act as a cushion to the skin when an external pressure applied and adipose tissue act as insulating material and prevent excessive loss of heat in severe cold and there are four way the body loses heat and they are evaporation , convection, conduction, and radiation in evaporation body heat turns sweat vapor and in convection heat loses by air or water moving across the skin surfaces and conduction means direct contact with an object and radiation means the body radiates like a fire you can feel heat without being inside the fire
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CO2 + 6H2O C6H1206 +602
During photosynthesis, what combines
with carbon dioxide to make sugar and
oxygen?
A. H2O
B. NADPH
C. RNA
Its H2O
During photosynthesis, H₂O combines with carbon dioxide to make sugar and .oxygen
The correct option is A.
What is photosynthesis ?The mechanism by which plant convert carbon dioxide, water, and sunshine into oxygen and sugar-based energy is known as photosynthesis.
What makes photosynthesis so important?The primary function of photosynthetic is to transform chemical energy into solar energy, that is then stored for later use. This mechanism primarily provides energy to the planet's life systems.
What does photosynthesis produce?The process through which light energy is transformed into energy in the form of sugars is known as photosynthesis. Using energy from the sun, glucose (or other sugars) are created from carbon dioxide and water, with oxygen being released as a consequence.
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Explain how the geological events (earthquakes and volcanoes) affect the quality of life of the people living in all three states (California, Georgia, and Hawaii)
The geological events taking place in these states makes a huge impact over the lives of the residents. The life of such people is under risk factors always.
What are the preventive measures to such activities ?The residents living away from most hazardous sites, various safety measures that are needed to take place at the time of any happening.
People living in such areas are under risks always, loss in mental peace, loss of properties, loss of financial statures as well.
Thus, it is always wiser to take important steps in order to avoid such mishaps.
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Lynn Margulis developed the endosymbiont theory to explain the evolution of certain eukaryotic organelles, such as chloroplasts and mitochondria.
According to this theory, which of these events occurred to an ancient prokaryotic cell
One more prokaryotic cell from the past was ingested by the cell and started living there.
The correct answer is C
What are a prokaryotic cell's three main characteristics?An exterior layer called a plasma membrane divides the interior of a cell from its surroundings. the interior of a cell that is jelly-like and contains other cellular parts is called the cytoplasm. The genetic makeup of a cell is DNA.
Are prokaryotic cells DNA-based?A free-floating, typically circular chromosome that is not protected by a nuclear membrane is seen in prokaryotic organisms, including bacteria. The nucleoid, a part of the cell, is where the DNA merely resides. Only a plasma membrane and ribosomes are typically present in prokaryotic cells' narrow spectrum of organelles
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the correct question is :
Lynn Margulis developed the endosymbiont theory to explain the evolution of certain eukaryotic organelles, such as chloroplasts and mitochondria. According to this theory, which of these events occurred to an ancient prokaryotic cell? A. Mutations caused the cell's DNA to direct the synthesis of new organelles. B. The cell nucleus divided and changed to form other types of organelles. C. The cell took in another ancient prokaryotic cell, which began living inside it. D. The cell membrane divided and changed to form new types of organelles.
22. Drosophila melanogaster is a species of fruit fly commonly used to investigate patterns of genetic inheritance. Flies with a curled wing mutation have deformed wings and cannot fly. Wild-type flies have normal wings.
Fruit fly eye colour is also under genetic control. Wild-type flies have red eyes while mutant flies have white eyes.
The image below depicts two flies that carry at least one of the mutant phenotypes described above.
a)
i. Define the term wild type. (1 mark)
ii. A pure breeding fly with normal wings and white eyes is crossed with a pure breeding fly with curled wings and red eyes. All of the F1 offspring produced have curled wings and red eyes. Based on this information, use appropriate allelic notation to identify the dominant and recessive alleles for each trait. (2 marks)
b)
Several crosses between an F1 individual from part a) ii. above and a pure breeding fly with normal wings and white eyes produce the following phenotypic results.
Curled wings red eyes = 410 flies; Normal wings white eyes = 470 flies
Curled wings white eyes = 81 flies; Wild type for both traits = 79 flies
Use this information to determine if these genes are linked or unlinked. Justify your answer. (2 marks)
ai. A wild-type species can be defined as a species whose genotype shows the normal genotype and there has been no mutation in the genetic sequence of the species.
aii. The allelic notation is as follows:
W = curled wings (dominant) w = normal wings (recessive)R = red eyes (dominant)r = white eyes (recessive)b. Based on the obtained phenotypic ratio of 6 : 1 :1 : 6 instead of the expected phenotypic ratio of 1 : 1 :1 : 1, curled wings red eyes as well as Normal wings white eyes are linked genes.
What are genotypes?Genotypes refer to the sum of the genetic makeup of a species. The genotype of a species refers to the sum total of the allele of a gene that an organism has.
The genotype of a species determines the phenotype of that species.
The phenotype refers to the physical expression of the genotype of a species.
Wid-type species are species that have not undergone a mutation.
Considering the given data:
W = curled wings is dominant
w = normal wings is recessive
R = red eyes is dominant
r = white eyes is recessive
b. The F1 generation be WwRr
The cross: WwRr x wwrr:
Expected genotypes (phenotypic ratio): WwRr x4 (curled red); Wwrr x4(curled white); wwRr x4(normal red); wwrr x4 (normal white)
Phenotypic ratio = 1 : 1: 1 : 1
Obtained genotypes (phenotypic ratio): 470 : 81 : 79 : 81 = 6 : 1 : 1 : 6
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Which of the following
groups can angiosperms be
divided into based on their
seeds?
A. monocots and tricots
B. monocots and dicots this
C. tricots and dicots
Angiosperms can be divided into monocots and dicots based on their seeds
What is angiosperm ?Angiosperms are plants that generate flowers and fruit in which to store their seeds. With over 300,000 species, they are the largest and most varied group within the kingdom Plantae. About 80% of all currently known living green plants are angiosperms.
Based mostly on the number of cotyledons they have, the angiosperm diversity is separated into the two main groupings, monocot and dicots.Stamens, or male sex organs, are found in angiosperms. The anther is located at the stamen's tip. Pollen is produced here. The pistil, or the feminine portion of the flower, is where the pollen must be delivered.Learn more about Angiosperm here:
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Answer: B. monocots and dicots this
Explanation:
What is biocenosis
.
Answer:
an association of different organisms forming a closely integrated community.
Explanation:
A biocenosis thus refers to a group of interdependent organisms living and interacting with each other in the same habitat. It may also pertain to a group of fossil species that are typically found together in the same habitat or site.
Biocenosis, is a community of Biotic beings, with life, of an ecosystem, where the different individuals are organized in populations through trophic relationships and also interact with their environment.
Community: It is a totality or quantity of populations of a geographic space.Define umbra pleaseeeeeeeeeeeee
Umbra can simply be defined as full shadow region of a shadow cast represented by an opaque object as it relates to eclipse.
How an eclipse is related to the eclipse of the moon.The eclipse of the moon occurs naturally when the location or position of earth is found between the moon, sun and the Earth's shadow. The eclipse of the moon or lunar eclipse can be completely observed and identified in fully shaded region of a shadow cast as discussed from the solution above.
In conclusion, we can now confirm from the explanation above that umbra also means darkness.
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Explain how viruses, over time and evolution, have actually made cells stronger and better.
Viruses have actually made cells stronger and better because of "internal arms race" it forces the cell to adapt and change to first the virus.
Viruses in all likelihood play a minor position withinside the switch of mobile genes among lineages. Novel viral genes constantly arose in replicating viral genomes withinside the virocell. Integration of viral genes lets in mobile organisms to discover new evolutionary paths.
They do now no longer comprise any cellular organelle like mitochondria, ribosome etc. Viruses are alive best till they're interior their host cellular.
They are taken into consideration to act useless while out of doors the host cellular. Hence, Viruses are an exception to cellular theory.
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A rock discovered near your home is known to be an igneous rock. The rock was formed as magma cooled inside the earth's crust. Is this rock an intrusive or extrusive igneous rock? Explain your answer.
Answer:
Intrusive Igneous rock.
Explanation:
Intrusive igneous is usually formed when magma is trapped deep inside the Earth. Afterwards molten rock rises toward the surface creating this
np :d
What process uses light energy to make ATP?
A. photosynthesis this answer
B. homeostasis
C. pigmentation
D. cellular respiration
Essay explain the significance of the dens (Odin tour process) which is present on the second cervical vertebrate ( c2 or axis)
The dens present on the C2 vertebrae, is a site for attachment for the transverse, apical and alar ligaments. It is conical in shape.
What is the function of dens odontoid process?
The odontoid process is situated to the front of the spinal cord. It is used as an axis for rotation of the head. The C1 vertebrae which carries the cranium, rotates on this. This provides a lateral rotation of the cervical spine.
Therefore, the dens (odontoid process) is also a site present on the cervical vertebrae(C2) for attachment of transverse, apical and alar ligaments.
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When blood flows
through the body,
oxygen diffuses into the
cells and [?] diffuses out.
A. oxygen
C. nutrients
B. carbon dioxide this
D. water
Answer: B
Explanation:
Carbon dioxide diffuses out of the cells when oxygen diffuses into the cells
A diagram of an animal cell is shown below.
animal cell showing organelles
What is the function of organelle 2?
A.
to store ions, create and store steroids, and synthesize and package proteins
B.
to collect, package, and distribute molecules produced by the cell
C.
to supply the cell with energy, in the form of ATP, through the process of cellular respiration
D.
to aid in protein synthesis by joining amino acids together to form polypeptides
i need the picture to see what organelle 2 is
How many times can a simiulation be repeated
Answer: 200 TIMES CAN SIMULATION BE REPEATED.
what organelle uses oxegyn
Answer:
Mitocondria
Explanation:
Mendel found that yellow pea pod color (G) was dominant to green pea pod color (g), and that round seeds (W) were dominant to wrinkled seeds (w) what percentage or each or
the phenotypes below are expected from the following cross? Ggww x ggww
Yellow and round
Yellow and wrinkled
Green and round
Green and wrinkled
A. 0%
B. 25%
C. 33%
50%
D.
E.
66%
F. 75%
G. 100%
The phenotype of the offspring that will be obtained from the cross of Ggww and ggww will be: Yellow and wrinkled- 50% and green and wrinkled- 50%. The cross is shown in the given image.
The phenotype is the observable trait that are the result of a certain genotype. Phenotypes may be quantitative like height or it may be qualitative like eye or hair color. The phenotype may be entirely due to genes or it may be influenced by environmental factors as well.
A cross can be defined as the breeding between a male and a female parent to obtain their offspring. The motive of performing crosses in genetics is to analyze the genotype and their resulting phenotype. There are various types of crosses like test cross, back cross, reciprocal cross, etc.
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In humans, which chromosome pair is the largest?
- 22
- 23
- 1
- 10
Answer:
23
because humans have 46 chromosome or 23 pairs
How does the tortoise get nitrogen?
The tortoise got nitrogen eating the plants.
What is nitrogen ?
There are numerous gases in our atmosphere. But did you realize which gas makes up the greatest part of the composition.Nitrogen Gas is what it is. In terms of atmospheric composition, it contains 78% nitrogen, 21% oxygen, 1% argon, and traces of carbon dioxide, krypton, and hydrogen.
Nitrous oxide, neon, helium, methane, xenon, ozone, iodine, carbon monoxide, and ammonia are also present. As the most prevalent element in the Earth's atmosphere, it is also the primary ingredient of all biological stuff.
Herbage provided more dry matter and energy to tortoises than grass. Although herbage provided more N and retained more of it than grass, amino acid compositions and actual N digestibilities were comparable between diets. Herbage had more Ca than grass, particularly in respect to P (Ca:P 14.5 vs. 1.9), although this was mitigated by the herbage's decreased absorption of Ca. K intakes from herbage were higher than from grass, and this was related to the digestive loss of Mg from herbage. The low Na concentration of both forages resulted in net Na losses.
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Help!!!
What does it mean for an
angiosperm to be annual?
A. It has a two-year life cycle, one as a
sapling and the next to bloom and
reproduce.
B. It grows, flowers, reproduces and
dies all in one year.
C. It will remain alive underground and
for many years will grow, flower, and
reproduce.
Answer:
I think it's B. It grows, flowers, reproduces and dies all in one year.
Explanation:
B because annual means occurring every one year, so you can cancel out A because it says "two-year life cycle". You can also cancel C because angiosperms can't live underground.
The human skeletal system can
be divided into the....
A. upper and lower systems
B. central and peripheral systems
C. axial and appendicular systems this
D. voluntary and involuntary systems
Answer:
axial and appendicular systems
