There is no integration of the viral genome into the host genome during the lytic cycle. The viral genome fuses with the host genome during replication of the lysogenic cycle and remains there until the lytic cycle is initiated.
In the lytic cycle, viruses produce new copies of themselves inside a host cell before bursting outside the cell. The viral genome is incorporated into the host cell's DNA during the lysogenic cycle, causing internal infection.
Bacterial cells with lytic phages are split open (lysed) and destroyed following an instant virion multiplication. Once the cell has been eliminated, the phage offspring can start looking for new victims to infect.
The host cell is not immediately lysed as is the case with the lysogenic cycle. Temperate phages are those that can go through lysogeny. Their viral genome will merge with host DNA, proliferate along with it in a relatively benign manner, or even take root as a plasmid.
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the technique of severing the connections between the frontal lobe and the thalamus is called: question 25 options: lobotomy electroconvulsive therapy rational emotive therapy phrenology
The technique of separating the connections between the frontal lobe and the thalamus is called: lobotomy.
What is Lobotomy?A lobotomy is basically a kind of brain surgery which gained popularity as a remedy for mental health issues arround the year 1930s. lobotomy entails cutting off the frontal lobe's communication with other regions of the brain. On patients suffering from illnesses like schizophrenia and depression, doctors carried out lobotomy surgery.Frontal lobe :As the largest lobes in the human brain, similarly the frontal lobes are the most frequently damaged by traumatic brain injury. The frontal lobes are crucial for controlling higher order executive functions, expressive language, and voluntary movement of the body.
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if an area of your body is particularly sensitive, what can you conclude about that area?
If an area of our body is very sensitive this means that particular area has more nerve endings.
Nervous system helps in the control and coordination of our body.Nervous system has two main divisions: Central Nervous system (CNS)and Peripheral Nervous system(PNS).CNS includes Brain and Spinal cord and PNS includes Nerves and Receptors.
Nerve is a bundle of fibers in peripheral nervous system,Neuron are the structural and functional unit of the nervous system.Nerve endings are the regions present at axonal tip of neuron, It will form a connection with adjacent neuron by synapse.Synapse is a gap between two neurons.Certain chemical messengers called neurotransmitters are secreted at synapse. It will increase the speed and give direction for transmission of impulse.Receptors of various senses like touch, pain, heat, cold etc...are present at nerve endings and they send messages to Brain.
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In flowering plants, plasmodesmata are narrow channels through cell walls that connect the cytoplasms of adjacent cells. An explanation of how plant cells communicate across cell walls will most likely refer to the diffusion through plasmodesmata of which of the following
The diffusion through plasmodesmata is Small, water-soluble molecules. Small water soluble molecules often cross the membrane through the process of Diffusion.
What is plasmodesmata diffusion?Plasmodesmata (Pd) are co-axial membranous channels that cross walls of adjacent plant cells, linking the cytoplasm, plasma membranes and endoplasmic reticulum (ER) of cells and allowing direct cytoplasmic cell-to-cell communication of both small molecules and macromolecules (proteins and RNA).
functions;
They allow the movement of cells to cells for cytoplasmic connection between different cells.Plant cells, encompassed as they are by cell dividers, don't get in touch with each other through wide stretches of plasma film the manner in which creature cells can.Plasmodesmata are fixed with plasma film that is consistent with the layers of the two cells. Each plasmodesma has a string of cytoplasm stretching out through it, containing a much more slender string of endoplasmic reticulum.Particles beneath a specific size (the size rejection limit) move unreservedly through the plasmodesma channel by latent dissemination.To learn more about plasmodesmata refers to;
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chest imaging shows a normal-sized heart and hyperinflated lungs with a flattened diaphragm. bedside echocardiogram reveals no intrapericardial fluid accumulation or pericardial thickening
Chest radiographs are frequently obtained for evalua- tion of CCDs (pacemakers and ICDs), as this is the only modality that can clearly assess lead integrity and position.
Transvenous CCDs are currently the most commonly inserted; however, recently introduced devices include an entirely intracardiac leadless pacemaker and a totally subcutaneous ICD, which will be seen with increasing frequency on chest radiographs.
Permanent pacemakers are most commonly placed for the treatment of symptomatic bradycardia and heart block, and temporary pacemakers are often inserted following cardiac surgery percutaneous intervention or as a bridge to a permanent pacemaker.
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regarding neurons, which of the following statements is false? question 31 options: a) when neurons form vast networks, they produce intelligence and consciousness. b) no two neurons are exactly alike, but most have four basic parts. c) neurons carry information from the senses to the brain and also activate muscles and glands. d) the axons are the tree-root like parts of neurons that are specially designed to receive the messages from other neurons.
Because they are polarised and have discrete morphological regions with different types of receptors, neurons vary from the majority of other cells found throughout the body.
Synapse is a neural junction rather than a component of a neuron. The area between neurons acts as the site of electrical impulse transmission. Because they are polarised and have discrete morphological regions with different types of receptors, neurons vary from the majority of other cells found throughout the body. They are understood to be the spaces between neurons. Despite the enormous variety and billions of neurons, they may be divided into three fundamental kinds based on how they function: relay neurons, which have long dendrites and short axons, and motor neurons, which have short dendrites and long axons (short dendrites and short or long axons). Electrical excitability (mainly across the plasmalemma), secretion (primarily vesicular & peptides extruding channel dependent), molecular synthesis (largely proteins), and growth and plasticity are the four basic functional characteristics of neurons. It has at least one nucleus.
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why do related species share homologous traits? related species share homologous traites because they are found in the same geographical area
The homologous traits of related species can be explained by the Theory of Evolution. This theory states that species evolve over time from a common ancestor.
As species diverged from each other, they adapted to the new environment and acquired new traits. This process is called speciation, and it is responsible for the variety of species found on earth today.
The shared homologous traits of related species are evidence of a common ancestry. For example, the wings of a bat and the wings of a bird have homologous traits despite being different species. This is because they share a common ancestor, and have evolved over time to meet the environmental needs of the particular species.
Another reason why related species share homologous traits is because they live in the same geographical area. This means that they are exposed to the same environmental conditions and face similar evolutionary pressures. This means that they are more likely to share similar traits, as these are the traits which are beneficial for survival in the particular environment.
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which suffix is found on both of the enzymes used in dna replication
In biochemistry, the name of an enzyme is formed using the suffix -ase. It can be present on both DNA replication enzymes.
The name of an enzyme is formed using the suffix -ase. The most typical way to name an enzyme is to append this suffix to the end of the substrate. For instance, an enzyme that breaks down peroxides may be termed peroxidase, and an enzyme that creates telomeres may be called telomerase. For example, the enzyme that polymerizes DNA into strands is called polymerase; see also reverse transcriptase. Enzymes are sometimes named for the function they carry out, rather than the substrate.
Helicase, an enzyme that breaks down double-stranded DNA into single strands so that each strand may be duplicated, and DNA polymerase III are the two key enzymes involved in DNA replication.
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15 3 points Identify the correct statement below about transposons. Both types of transposons utilize an integrase enzyme coded for on the transposon itself. Retrotransposons are likely to propogate more frequently than DNA transposons. Retrotransposons are more common in prokaryotes, while DNA transposons are more common in eukaryotes. DNA transposons produce full-length transcripts which facilitate movement to a different position in the genome.
DNA sequences known transposons element (TEs) are flexible & spread into genomes. DNA virions create full-length rnas by using a range of invasion tactics, it helps them to go to a nearby spot in the genome.
A genome versus DNA: what are they?An organism's whole DNA is contained in its genome. The entire manual, from cover to cover, would represent the genome if the DNA code were a collection of instructions that were meticulously organized into sentences (genes) and chapters (chromosomes). The arrangement of the genome, chromosomes, and genes is essentially the same in all humans.
What number of genomes do people have?46 Dna strands of 24 different kinds make up the diploid human genome. Only 3 billion base pairs (the diploid genome) must be sequenced in order to fully understand a typical human genome due to the nearly identical pairings that human chromosomes exist in.
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What are the similarities and differences between chemiosmosis in mitochondria and chemiosmosis in chloroplasts?
Answer:Chemiosmosis in mitochondria and chloroplasts is similar because cell organelles possess an electron transport chain in their membrane that establishes a proton gradient. On the other hand, the difference is the energy source in the chemiosmosis of mitochondria and chloroplasts.
Explanation:Chemiosmosis in mitochondria and chloroplasts is similar because cell organelles possess an electron transport chain in their membrane that establishes a proton gradient. On the other hand, the difference is the energy source in the chemiosmosis of mitochondria and chloroplasts.
In order for the NMDA receptor to fully open and allow an influx of calcium, both glutamate and glycine must bind to cause a depolarization of the cell that will ultimately displace which ion? Is the NMDA receptor an ionotropic or metabotropic receptor?a. Sodium - ionotropicb. Sodium - metabotropicc. Magnesium - metabotropicd. Magnesium - ionotropic
The NMDA receptor an ionotropic is Magnesium - ionotropic.
What is NMDA receptor?NMDA receptors (N-methyl-D-aspartate receptors) are a type of glutamate receptors found in the brain. They are involved in a variety of normal brain functions, including learning, memory, and neuronal development.NMDA receptors also play a role in modulating the release of neurotransmitters and have been implicated in a number of neurological disordersNMDA receptors are ionotropic, meaning they allow ions to pass through them, resulting in a change in the cell's electrical activity. They are also ligand-gated, meaning they open or close in response to the binding of specific molecules, such as glutamate and glycine.NMDA receptors are located on the surface of neurons and are composed of several parts, including a pore, which allows ions to pass through, and several subunits, which control the opening and closing of the receptor.Activation of NMDA receptors requires the binding of both glutamate and glycine, which opens the pore, allowing calcium ions to enter the neuron. The influx of calcium ions triggers a cascade of events in the neuron, resulting in the release of neurotransmitters, which then activate other neurons.To learn more about NMDA receptor refer to:
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increased levels of hormones during puberty can cause a(n) response to plaque biofilm. group of answer choices a) decreased b) exaggerated c) typical d) optimal
Option B, Increased levels of hormones during puberty can cause an exaggerated response to plaque biofilm.
The hormones during puberty can cause an exaggerated response to plaque biofilm without scientific evidence. It is important to note that oral hygiene and oral health are complex subjects and the effects of hormones on oral health are not well studied.
It would be best to consult with a dentist or a medical professional for more information.
Plaque biofilm is a complex bacterial ecosystem that forms on the surfaces of teeth and gums, and it is known that it plays a major role in the development of tooth decay and gum disease.
However, there is not enough scientific evidence to support the claim that increased levels of hormones during puberty can cause an exaggerated response to plaque biofilm.
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If a consumer lose 70% of the 2000J energy in their food as a waste heat and 20% in their waste products. Calculate how many joules this is
Answer:
see below for more steps
Explanation:
If a consumer loses 70% of the 2000J energy in their food as waste heat, that would be 70/1002000 = 1400 J
And if 20% in their waste products, that would be 20/1002000 = 400 J
So the total amount of energy lost as waste heat and in waste products is 1400 J + 400 J = 1800 J
What is the term for redness and bumpiness in the cheeks or upper arms that is caused by blocked follicles
keratosis pilaris is the term for redness and bumpiness in the cheeks or upper arms that is caused by blocked follicles. it usually do not cause any pain or itching.
Keratosis pilaris is a inoffensive skin condition that causes dry, rough patches and bitsy bumps on the upper arms, shanks, cheeks, and buttocks. The bumps generally don't hurt or itch. Keratosis pilaris is a common skin condition. It can not be cured or averted. still, you can treat it with moisturizers and tradition creams to help ameliorate the appearance of the skin. The condition generally goes down by the age of 30. Keratosis pilaris can do at any age, but it's more common in children. Symptoms include effortless bitsy bumps on the upper arms, shanks, cheeks, or buttocks. Sot, rough skin in bumpy areas. Worse when seasonal changes beget low moisture and dry skin. Goose meat- suchlike sandpaper bumps
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1-¿en la meiosis ocurren dos divisiónes celulares?
2-¿la meiosis es una forma de reproducción celular?
Answer:
1. The two cell cycles that occur in meiosis are meiosis 1 and meiosis 2. The phases are interphase, prophase, metaphase, anaphase, and telophase.
2. Meiosis is a form of sex cell reproduction. Mitosis makes body/skin cells.
Explanation:
Why does meiosis produce cells with fewer chromosomes?
Baldness is a dominant trait that is influenced by an individual's sex. a man will become bald if he has the genotype bb or bb. a man who is bb will not become bald. a woman will have thinning hair, but not become totally bald, if she is bb. a woman will not become bald, or have thinning hair, if she is bb or bb.
what will be the outcome if a woman who is xxbb produces a child with a man who is xybb?
a
there is a 75% chance that the child will be a female who will have thinning hair.
b
there is a 50% chance that the child will be a male who will become bald.
c
there is a 12.5% chance that the child will be a male who will not become bald.
d
there is a 25% chance that the child will be a female who will not have thinning hair.
Answer:
C. There is a 12.5% chance that the child will be a male who will not become bald. This is because the man is xybb, which means he has one copy of the baldness gene (B) and one copy of the non-baldness gene (b). The woman is xxbb, which means she has two copies of the non-baldness gene. Since the man has one copy of the baldness gene, there is a 50% chance that any male offspring will inherit the baldness gene, and a 50% chance that any female offspring will inherit the non-baldness gene. Therefore, the chances of the male offspring not inheriting the baldness gene (and not becoming bald) is 50% * 50% = 12.5%.
the structure at the end of an axon that produces neurotransmitters
Answer: Axon Terminals
Assume that a cross is made between AaBb and aabb plants and that the offspring occur in the following numbers: 106 AaBb, 48 Aabb, 52 aaBb, 94 aabb. These results are consistent with the arrangement of genes?
The gene mutations are on 1 homologue and indeed the dominant genes seem to be on the other in the AaBb parent.
Describe a homologue.a chromosome that separates from a companion chromosome during the initial meiotic division. a gene that has a common ancestor's DNA sequence with another gene. a chromosomal that pairs with yet another chromosome during meiosis and shares physical characteristics and genetic markers with that other chromosome.
The homologous structure is what?Complementary physical characteristics found in species with a shared origin are known as homologous structures, although these characteristics have entirely different biological purposes. The appendages of humans, cat, whales, and bats are examples of anatomical features.
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sense receptors are biological transducers, which means that they question 50 options: a) select from a broad range of stimulation. b) convert one form of energy to another. c) detect only a limited range of energies. d) analyze the environment into important features.
Sense receptors are biological transducers, which means that they convert one form of energy to another.
A biological transducer is a device or mechanism in a living organism that converts one form of energy into another. Examples of biological transducers include sensory receptors, which convert physical stimuli such as light, sound, or pressure into electrical signals that can be interpreted by the nervous system, and muscle cells, which convert chemical energy from the breakdown of molecules into mechanical energy for movement. Other examples include hair cells in the ear and light sensitive cells in the eyes. Overall, biological transducer play an important role in sensing the environment and responding to it in living organisms.
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how does myosin and actin interact with each other?
A new cycle begins when the myosin reaches forward, binds to actin, contracts, releases actin, and then reaches forward once more to bind actin. Myosin-actin cycling is the term for this process.
An entire motor unit is made up of skeletal muscle fibers and neurons. Calcium is released from the sarcoplasmic reticulum when the impulse enters the transverse tubules. Myosin's head groups are moved along the actin filament in the plus end direction by its motor activity. The sarcomere is shortened as a result of this movement, which slides the actin filaments from both sides of the sarcomere toward the M line.
Actin (tropomyosin and troponin), which binds calcium and undergoes a shape shift to connect with myosin, is affected.
The myosin heads bind actin and hydrolyze ATP, which provides the energy for filament sliding. The process of turning chemical energy into movement is mediated by modifications in myosin structure brought on by ATP binding.
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Forensic scientists are using DNA typing. What are they MOST likely trying to accomplish?
They are trying to write a document about DNA matches from CODIS.
They are trying to distinguish one person's DNA from another.
They are trying to make a bond between two strands of DNA.
They are trying to cut a strand of DNA into smaller fragments.
Answer:
They are trying to distinguish one person's DNA from another.
Explanation:
DNA typing, commonly referred to as DNA profiling or DNA fingerprinting, is a technique used by forensic experts to identify and separate the DNA of different people. A person's unique DNA profile may be created by scientists by examining particular DNA regions. This profile can be used to rule out a suspect from suspicion or to match DNA discovered at a crime scene to a particular suspect. Criminal investigations, incidents involving missing persons, and attempts to identify human remains all frequently employ DNA typing. The most likely objective of forensic scientists using DNA typing is to identify people and link them to a particular crime scene. This is a strong tool.
In thermophilic bacteria that are able to survive extreme heat, would you expect to find a higher or lower amount of C-G pairs when compared to bacterial species that are not adapted to live in extreme heat
Thermophilic bacteria are those that live in high temperatures, generally between 45 and 80 degrees Celsius (113 and 176 degrees Fahrenheit), and are found in places like hot springs, peat bogs, and near deep-sea hydrothermal vents. Methanopyrus kandleri, a form of "hyperthermophile," can withstand temperatures as high as 122°C.
What is thermophilic bacteria?Thermophilic bacteria (those that live and flourish at relatively high temperatures) that are generally found in hot springs and compost heaps exist naturally in cold soil habitats and can be triggered to breakdown substances when the temperature is raised to 60°C (140°F). Thermophilic bacteria are those that live in high temperatures, generally between 45 and 80 degrees Celsius (113 and 176 degrees Fahrenheit), and are found in places like hot springs, peat bogs, and near deep-sea hydrothermal vents. Methanopyrus kandleri, a form of "hyperthermophile," can withstand temperatures as high as 122°C.
Here,
Thermophilic bacteria are found in habitats such as hot springs, peat bogs, and near deep-sea hydrothermal vents and flourish in temperatures ranging from 45 to 80 degrees Celsius (113 to 176 degrees Fahrenheit). Methanopyrus kandleri, a form of "hyperthermophile," may even withstand temperatures as high as 122°C.
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Cells lining the gut need to take in glucose, but at a certain time, the concentration of EXTRACELLULAR glucose is LOWER than the concentration already stored in the cells.Simple diffusionFacilitated diffusionActive transport
The cells lining the gut need to absorb glucose during active transport, but at a certain point the extracellular glucose concentration is lower than the concentration already present in the cells.
In cellular biology, active transport is the movement of molecules or ions across a cell membrane across a concentration gradient from one region of lower concentration to another. Cellular energy is needed for active transport to be possible. The two types of active transport are primary active transport, which makes use of adenosine triphosphate (ATP), and secondary active transport, which makes use of an electrochemical gradient.
Active transport moves molecules against gradients, polar repulsion, or other obstacles using cellular energy as opposed to passive transport, which relies on the kinetic energy and natural entropy of molecules traveling down a gradient. Active transport often causes significant concentrations of the materials the cell requires to function, such as ions, glucose, and amino acids, to build up.
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Which one of the following is a domain?
A.Archaea
B.Bacteria
C.Eukarya
D.All of these
Answer:
D. All of these are domains. Archaea, Bacteria, and Eukarya are the three domains of life on Earth.
Represented by word descriptions, such as black and short-haired: a) genotype onlyb) phenotype only c) neither phenotype and genotype d) both phenotype and genotype
Only traits, also known as phenotypes characterized by adjectives like dark and short-haired.
The set of observable qualities or characteristics of an organism is known as the phenotype in genetics. The expression of an organism's genetic code and the impact of environmental circumstances are the two fundamental factors that determine an organism's phenotype. The phenotype may be further impacted by the interaction of the two elements. A species is referred to as polymorphic if there are two or more distinct phenotypes present in the same population.
When a parent passes on a dominant allele to their child, the characteristic is known as a dominant trait and manifests in the child. Phenotypes can include characteristics like eye color, hair color, immunity or susceptibility to specific diseases, as well as physical traits like freckles and dimples on the face.
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hybrid breakdown Definition
Hybrid breakdown is a type of reproductive isolating mechanism and reproductive failure. This leads to sterile and nonviable F2 generation offspring obtained from the mating of fertile viable F1 individuals.
Hybrid breakdown is defined as the reduced fitness observed in the offspring of the hybrids. the reduced fitness is however not observed in the hybrid themselves.
Fitness in the evolutionary terms is the reproductive success of an individual or a whole population. If two individuals are able to breed and produce fertile offspring, then they are considered to be fit and can believed to adapt better in their surroundings.
Hybrids are the offspring produced by the mating of two organisms belonging to different breeds, variety species or even genera. The example of hybrid is a mule obtained by the breeding of a horse and a donkey.
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The human brain can only remember approximately 22 pieces of information at once. Completing checklists gives people a sense of accomplishment. Checklists prompt providers to remember and appreciate the importance of tasks. None of the above; checklists should not typically be used because they insult the intelligence of providers and staff.
None of the above. Checklists should not typically be used because they can create a false sense of security and may lead to complacency in providers and staff. Additionally, relying on checklists can lead to an overemphasis on completing tasks, rather than using critical thinking and problem-solving skills. It is important to remember that checklists are a tool to help ensure that tasks are completed, but they should not replace the need for providers and staff to think critically and use their own judgement.
Scientists propose that a mutation has occurred that either changed the mating pheromone or receptor site on the variant 1-type yeast cells. predict where the mutation occurred. justify your prediction with evidence from the experiment and scientific reasoning, based on your knowledge of cell-signaling pathways.
The variant-type receptor site was most likely the site binding shape that was altered by the mutation.
Pheromones are substances that one individual secretes to the outside world and another member of the same species takes in. The pheromones won't be able to bind because the receptor site will change. The cell differentiation and transduction pathway will be impacted by this. As a result, the variant and the wild type differ in their rates of cell differentiation and mating due to a mutation at the receptor site. The diverse data are the result of the mutation, not pheromones.
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which regions of a phospholipid bilayer face water and which face the interior of the membrane away from water?
The polar regions face toward water and the nonpolar regions face away from water.
What is a phospholipid bilayer?Phospholipids, which are fatty acid and alcohol compounds, make up the majority of the cell membrane. A phospholipid bilayer is the term used to describe how the phospholipids are organized in the cell membrane.There are two tails and a head on each phospholipid molecule. Water is hated by the tails and loved by the head (hydrophilic) (hydrophobic). While the water-loving heads point outward, either toward the cytoplasm or the fluid surrounding the cell, the water-hating tails are on the interior of the membrane.If they are small enough, hydrophobic molecules can easily pass through the cell membrane since they share the membrane's dislike of water. Small lipids and steroids can easily pass the membrane since they are hydrophobic.To learn more about Phospholipids, refer:
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a researcher is studying two different species. which of the following sets of observations would best support the claim that the two species have structural similarities as a result of convergent evolution? responses genetic similarity function of structure form of structure low same different , genetic similarity function of structure form of structure low same different genetic similarity function of structure form of structure low different same , genetic similarity function of structure form of structure low different same genetic similarity function of structure form of structure high same different , genetic similarity function of structure form of structure high same different genetic similarity function of structure form of structure high different same
Option A) Genetic Similarity - Low, Function of Structure - Same, Form of Structure - Different is the appropriate response.
Convergent evolution occurs when species have similar-function but different-form analogue body parts. This is not present in ancestors because it is a characteristic that they independently developed, making genetic similarity low. Convergent evolution is the process by which two organisms with no recent common ancestor become increasingly similar as they adapt to the same ecological niche. The organisms' convergent phenotypes are known as analogous structures, and they have similar structural forms (such as bird wings and bat wings). It is the independently occurring evolution of traits that are shared by species across historical eras.
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