Many important root crop plants such as carrots, turnips, and rutabagas have a biennial strategy, this means they store energy. Biennial strategy is a part of life cycle.
What is life cycle?The life cycle of many plants can be divided into two categories: annual and biennial. The annual plants complete their entire life cycle in one growing season, while the biennial plants live for two growing seasons, and then flower and complete their life cycle in the second year.
Carrots, turnips, and rutabagas are the examples of the biennial plants which store energy in the first year and complete their life cycle in the second year. These plants are also root crops, which means they store energy in their roots rather than in the fruit or vegetable produced above the soil surface.
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identify the three proteins that make up the cell membrane and their functions.
Answer:
Junctions – Serve to connect and join two cells together.
Enzymes – Fixing membranes localizes metabolic pathways.
Transport – Responsible for facilitated diffusion and active transport.
Explanation:
I remember taking a class like this last year. :)
describe the structures involved in the production, transport, and secretion of oxytocin and vasopressin
The production, transport, and secretion of oxytocin and vasopressin involve several structures, including the hypothalamus, posterior pituitary gland, bloodstream, and target organs.
Oxytocin and vasopressin are two important hormones produced by the hypothalamus in the brain. The hypothalamus sends signals to the posterior pituitary gland to release these hormones into the bloodstream. The production, transport, and secretion of these hormones involve several structures, which are discussed below:
1. Hypothalamus:
The hypothalamus is responsible for producing oxytocin and vasopressin. It contains nerve cells that secrete these hormones, which are transported to the posterior pituitary gland for storage and release.
2. Posterior Pituitary Gland:
The posterior pituitary gland is a small structure located at the base of the brain. It stores oxytocin and vasopressin and releases them into the bloodstream when signaled by the hypothalamus.
3. Bloodstream:
Once released into the bloodstream, oxytocin and vasopressin are transported to their target organs, where they exert their effects.
4. Target Organs:
Oxytocin and vasopressin bind to specific receptors in target organs and stimulate various physiological responses. Oxytocin is involved in the contraction of the uterus during childbirth and the release of milk during breastfeeding. Vasopressin regulates water balance in the body and helps maintain blood pressure.
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The land plants are probably descendants of which of these groups? a. green algae b. red algae c. brown algae d. angiosperms. a. green algae.
The land plants are probably descendants of green algae. Therefore the correct option is option A.
Green algae are considered the likely ancestors of land plants since they share a common ancestor and possess some comparable characteristics. Green algae are tiny freshwater or marine unicellular or multicellular algae that grow in colonies, and they resemble plants because they have cell walls composed of cellulose and chlorophyll a and b pigments in their chloroplasts.
Green algae have flagellated sperm and alternation of generations, which are traits that are also present in land plants, according to scientists. Hence, the correct option is (a) green algae.
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What are some of the reasons the genetics of race may me more complex ?
Stimulation of the aortic baroreceptors reflexively results in?.increased activity by the parasympathetic nervous system.stimulation of the cardioaccelerator center in the brain.increased heart rate.increased sympathetic stimulation of the heart.stimulation of the vasoconstrictive center.
Stimulation of the aortic baroreceptors reflexively results in increased activity by the parasympathetic nervous system.
Option A is correct.
What are the aortic baroreceptors?The aortic baroreceptors and carotid baroreceptors are located in the adventitia layer of the aortic arch and carotid arteries, respectively.
The aortic baroreceptors are stretch receptors located in the aortic arch that are sensitive to changes in blood pressure.
In the situation where blood pressure increases, the aortic baroreceptors are stimulated, which then sends signals to the cardiovascular control center in the brainstem.
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What is the function of the adrenal cortex
The adrenal cortex plays a crucial role in regulating various physiological processes in the body, including metabolism, immune function, and electrolyte balance.
The adrenal gland, which is found above the kidneys, has an outer layer called the adrenal cortex. Its major job is to make steroid hormones, which are necessary for many bodily physiological processes.
The adrenal cortex primarily produces three different classes of steroid hormones, including:
Glucocorticoids: These hormones, which include cortisol, assist in regulating stress response, immunological function, and glucose metabolism.Mineralocorticoids: By encouraging the reabsorption of sodium ions and the excretion of potassium ions in the kidneys, these hormones, such as aldosterone, help control electrolyte balance and blood pressure.Androgens: These hormones serve as building blocks for the manufacture of sex hormones including testosterone and estrogen, including dehydroepiandrosterone (DHEA).To know more about adrenal cortex
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what happens when a baby swallows poop in the womb
Answer:it would die
Explanation:it would die from infection
The layer between the tunica media and the tunica externa in a large artery is the
A) tunica intima.
B) external elastic membrane.
C) tunica media.
D) internal elastic membrane.
E) tunica externa.
In a large artery, the external elastic membrane is the layer that lies between the tunica media and tunica externa.
What is a large vein's tunica externa?The outermost tunica (layer) of a blood vessel, also known as the tunica adventitia (New Latin "additional coat"), is known as the tunica externa (New Latin "outer coat"). It surrounds the tunica media. It is mostly made of collagen and is supported in arteries by elastic lamina on the outside.
What are the tunica externa's layers?It is made out of the tunica intima (I), a straightened layer of endothelium; the tunica media (M), a layer of smooth muscle cells and elastic fibers (black in B); and the fibrous connective tissue known as the tunica adventitia (Ad).
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explain why it is unlikely for all of the offspring in spinach plant to have flat leaves even though both parents do
In what way do symptoms of disease differ from signs of disease?
A symptom is subjective, that is, apparent only to the patient (for example back pain or fatigue), a sign is any objective evidence of a disease that can be observed by others (for example a skin rash or lump).
Signs and symptoms are the visible, audible, or felt symptoms of a disease, injury, or condition. Symptoms are the patient's stated subjective experiences, whereas signs are objective and externally detectable. A sign might, for instance, be a higher or lower-than-normal fever, a rise or fall in blood pressure, or an abnormality that appears on a scan. An individual experiences a symptom when they sense anything abnormal in their body, such as a fever, a headache, or various types of pain.
Indicators are distinct from symptoms that are really felt. A indication of a condition is something that can be seen by another person or found during a test or operation performed by a doctor. For instance, during a physical, elevated blood pressure may be discovered as a marker even though there are no known symptoms. A symptom is anything that a person can experience and report, such as a headache or exhaustion. There may be overlap between symptoms and signs, as in the case of a bloody nose that both the person experiencing it and others may see as unusual (sign).
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true or false a pulsed intensity is the average intensity for the pulse duration only. it does not include the listening time.
The statement "A pulsed intensity is the average intensity for the pulse duration only. It does not include the listening time.: is false as pulsed intensity is the average intensity of the ultrasound wave during the pulse period, which is typically short in duration.
According to the American Institute of Ultrasound in Medicine (AIUM), the pulsed intensity is the average intensity of an ultrasound beam during the pulse duration, which is typically short in duration. A pulsed ultrasound wave is one in which the sound energy is sent out in a series of short pulses rather than continuously. When a pulsed wave is emitted, the pulse duration, pulse repetition frequency, and pulse intensity all have an impact on the overall intensity of the wave, which is sometimes referred to as the temporal-average intensity.
The pulse duration is the length of time that the ultrasound energy is being emitted, while the pulse repetition frequency is the number of pulses per second that are emitted by the ultrasound machine. The pulse intensity is the amount of energy per unit time that is contained within each pulse.Thus, A pulsed intensity is the average intensity of the ultrasound wave during the pulse period.
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which of the following bones are part of the axial skeleton? mark all that apply. group of answer choices A) humerus B) femur C) sacrum D) os coxae E) mandible F) ribcage
The bones that form the axial skeleton are C) sacrum, E) mandible F) rib cage,
The axial skeleton is part of the skeleton that includes the entire bony structure of the head, laryngeal skeleton, vertebral column, ribs, and sternum. It protects the internal organs, supports the head and neck, and provides the framework for the midline of the body.
The humerus, femur, and os coxae are part of the appendicular skeleton. The appendicular skeleton consists of 126 bones located in the lower and upper extremities and the bony girdles which are the bones of the shoulders, shoulder girdle, and hips or pelvic girdle.
The shoulder girdle is the structure that connects the bones of the upper limbs to the axial skeleton and the pelvic girdle is the structure that connects the lower limbs to the axial skeleton.
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PLSSSS HELLPPPP
After analyzing the Hydroponic Plant setup, consider what can be ELIMINATED from the list of candidates of where food molecules in plants are coming from.
Look at the Hydroponic Plant Food (HPF) nutritional value. What is the HPF supposed to do? What is it for?
Does HPF have food molecules in it?
So what does this mean?
Your complete answer should be 3-5 sentences. Use the guiding questions to develop your response!
How would the results from Part A change if both parents are also heterozygous for the FUT1 gene controlling the synthesis of the H substance (Hh)? Drag the correct value to the blank following each offspring type View Available Hint(s) Reset Help type A with M antigen: 1/32 3/32 5/32 6/32 10/32 type A with M and N antigens type A with N antigen: type O with M antigen type O with M and N antigens: type O with N antigen
If both parents are heterozygous for the FUT1 gene controlling the synthesis of the H substance (Hh), then the expected offspring results would be:
Type A with M antigen: 3/32
Type A with M and N antigens: 5/32
Type A with N antigen: 1/32
Type O with M antigen: 10/32
Type O with M and N antigens: 6/32
Type O with N antigen: 1/32
This is because the FUT1 gene is responsible for the synthesis of the H substance and heterozygous for the gene means that each parent has one dominant and one recessive allele.
As a result, each offspring has a 3:1 ratio of dominant to recessive alleles, so each type of offspring will have different probabilities of being expressed.
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Which of the following is used to ensure patency of the ureters or allow for drainage of urine from the kidneys? A. Foley catheter. B. Suprapubic catheter
The catheter which is used to ensure patency of the ureters or allow for drainage of urine from the kidneys is known as a Foley catheter.
Foley catheter is a thin, sterile tube that is passed through the urethra and into the bladder to collect urine or measure urine output. A Foley catheter is also known as an indwelling urinary catheter, it is used to ensure the patency of the ureters or allow for the drainage of urine from the kidneys. The Foley catheter is a soft, flexible tube that is inserted through the urethra into the bladder to help with urine drainage. It is composed of a balloon that inflates inside the bladder to hold it in place.
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30 POINTS
Create a timeline illustrating developments in the understanding of botany, plant reproduction, and hybridization. Your timeline must include at least 8 different points.
Answer:
Timeline of Developments in the Understanding of Botany, Plant Reproduction, and Hybridization:
1. 600 BCE - Theophrastus writes "Enquiry into Plants," one of the earliest works on botany and plant classification.
2. 1682 - Nehemiah Grew publishes "Anatomy of Plants," which lays the foundation for the study of plant anatomy.
3. 1727 - Johann Friedrich Böttger discovers the principles of plant hybridization, by successfully crossing two different species of tobacco plants.
4. 1760 - Joseph Koelreuter demonstrates that hybridization can occur between plants of different genera.
5. 1827 - Robert Brown discovers the cell nucleus, which leads to further understanding of plant reproduction.
6. 1856 - Gregor Mendel publishes his work on inheritance and genetics in pea plants, laying the foundation for the study of plant breeding.
7. 1898 - Carl Correns, Hugo de Vries, and Erich von Tschermak independently rediscover Mendel's work, leading to the modern study of genetics.
8. 1900s - Scientists continue to develop hybridization techniques, leading to the creation of many hybrid plant varieties, including hybrid corn, wheat, and rice.
9. 1953 - James Watson and Francis Crick discover the structure of DNA, leading to a deeper understanding of the genetic mechanisms underlying plant reproduction and hybridization.
10. 2000s - Modern techniques such as gene editing and genetic modification continue to advance the study of botany and plant breeding, with potential applications in agriculture, medicine, and conservation.
_____ Drugs that prevent the formation of the bacterial cell wall are: a) quinolones b) beta-lactams c) tetracyclines d) aminoglycosides e) macrolides.
Drugs called beta-lactams stop the bacterial cell wall from forming.
Which medication stops the bacterial cell wall from forming?Patients are dying from infections brought on by germs that are now resistant to even last-resort medications like vancomycin, like penicillin and vancomycin, which are antibiotics that prevent the formation of the bacterial cell wall.
Which medications target the bacterial cell wall?Vancomycin, teicoplanin, telavancin, bleomycin, ramoplanin, and decaplanin are important glycopeptide antibiotics. By preventing the formation of peptidoglycan, this family of medications prevents susceptible microorganisms from producing cell walls. They either eradicate bacteria or stop them from proliferating and spreading. Viral infections cannot be treated with antibiotics.
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if photosynthesis and respiration are almost symmetrical processes, how is energy lost in the process of converting sugar back into atp?
Photosynthesis and respiration are almost symmetrical processes, as both involve the conversion of energy between different forms. During photosynthesis, light energy is converted into chemical energy in the form of glucose, while during respiration, glucose is broken down to release energy that is used to produce ATP.
However, while the overall process of converting sugar back into ATP is exergonic (releases energy), there is still some energy lost in the form of heat. This is because not all of the energy released during the breakdown of glucose can be captured and converted into ATP.
Some of the energy is lost during the conversion process itself, as well as through various metabolic reactions that occur throughout the cell. Therefore, while photosynthesis and respiration are symmetrical in terms of the overall conversion of energy, there is still some energy loss during the process of converting sugar back into ATP.
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Construct an argument in favor of the National Park Service’s decision to reintroduce wolves to Isle Royale. Be sure to discuss the boundary of the ecosystem and energy flow in your argument. Provide evidence and scientific reasoning to support your argument.
The National Park Service's decision to reintroduce wolves to Isle Royale was necessary, supported by science, and will have a positive impact on the environment in many ways.
Why is it crucial to bring wolves back to Isle Royale?Wolf hunting reduces the amount of moose, beavers, and snowshoe hare on the island. At Isle Royale National Park, these intricate predator-prey relationships have been studied for more than 60 years and are still being investigated today.
What advantages would reintroduction wolves bring?Research has demonstrated that wolves have contributed to the revitalization and restoration of several ecosystems since they were reintroduced to the American West in 1995. They enhance habitat and boost populations of numerous species, including raptor birds, pronghorn, and even trout.
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what structure holds the chordae tendineae to the interior walls of the heart is called?
Papillary muscles holds the chordae tendineae to the interior walls of the heart.
The papillary muscles are found in the heart's ventricles. They connect to the mitral and tricuspid valve cusps via the chordae tendineae and contract to stop these valves from prolapsing or inverting during systole (or ventricular contraction). Around 10% of the total heart mass is made up of the papillary muscles.
In total, the heart contains five papillary muscles, two in each ventricle (right and left). Through chordae tendineae, the tricuspid valve is connected to the anterior, posterior, and septal papillary muscles of the right ventricle. The mitral valve is connected to the left ventricle's anterolateral and posteromedial papillary muscles by chordae tendineae.
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ANSWER THE QUESTIONS BELOW PLEASE!!
Newborns should be between 5 pounds, 8 ounces (2,500 grams) and 8 pounds, 13 ounces (4,000 grams) in weight.
What is the newborn phase?A newborn must adapt to the fundamental changes that have happened in his or her life during the newborn period, which begins at delivery and lasts until the child is between 4 and 12 weeks old. During this period, most infants will slumber a lot and not be very active.
Two months old is an incredible milestone for you both. Your infant and you are both gradually waking up from the recent newborn daze. They are no longer an infant wrapped up in a blanket. They are starting to open their eyes, extend their legs, and grin the cutest little infant smiles.
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what part Located in depressions of mucous membranes of the throat and pharynx
The part located in depressions of mucous membranes of the throat and pharynx is the tonsils.
Tonsils are masses of lymphatic tissue located in the throat that play a role in the immune system. They help to trap and filter out bacteria and other foreign substances that enter the body through the nose and mouth. There are three types of tonsils: pharyngeal tonsils, palatine tonsils, and lingual tonsils.
The pharyngeal tonsils, also known as the adenoids, are located in the upper part of the throat, behind the nose, and above the soft palate. The palatine tonsils are located on either side of the back of the throat, while the lingual tonsils are located at the base of the tongue.
Tonsillitis is a common condition in which the tonsils become inflamed and swollen due to infection. Symptoms of tonsillitis include sore throat, difficulty swallowing, fever, and swollen lymph nodes. Treatment may involve rest, fluids, pain relievers, and antibiotics if the infection is bacterial. In some cases, a tonsillectomy (surgical removal of the tonsils) may be necessary if the condition is chronic or severe.
In summary, the tonsils are located in the depression of mucous membranes.
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examine the illustrations below of six specific cells: a neuron, red blood cell, osteocyte, skeletal muscle cell, sperm cell, and egg cell. what observations can you make on how these human cell types are different?
The six cells illustrated are a neuron, red blood cell, osteocyte, skeletal muscle cell, sperm cell, and egg cell, all are different which are human cell types.
From the illustrations, we can observe the following differences
Neuron, red blood cell, osteocyte, skeletal muscle cell, sperm cell, and egg cell. The neuron is the longest cell of the human body and has dendrites and axons that help it to carry electrical signals. The red blood cell lacks a nucleus and is filled with hemoglobin, which helps it to carry oxygen to different parts of the body.
The osteocyte is a bone cell that helps in the formation of bone matrix and can communicate with other bone cells. Skeletal muscle cells are elongated, cylindrical cells that are found in the skeletal muscles and help in the contraction and relaxation of these muscles. The sperm cell is a male reproductive cell that has a flagellum for movement and helps in fertilization. The egg cell is a female reproductive cell that is much larger than the sperm cell and has a protective covering around it to prevent fertilization by multiple sperm cells.
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this diagram shows a late stage of dna replication. can you name the protein represented by each icon in the diagram? then, for each protein, can you identify how dna replication would be affected if that protein were nonfunctional?
DNA replication is the process of copying DNA molecules. DNA replication is critical because it ensures that each new cell receives a complete set of genetic material.
DNA replication is a complex process involving numerous enzymes and other proteins. The following is a list of proteins involved in DNA replication:
Helicase - This enzyme is responsible for unwinding and separating the two strands of DNA.
It does this by breaking the hydrogen bonds between the nucleotides.
Primase - This enzyme is responsible for synthesizing the RNA primers that are needed to start DNA synthesis.DNA polymerase - This enzyme is responsible for synthesizing new DNA strands. It can only add nucleotides to the 3' end of a growing strand. Therefore, it can only synthesize in the 5' to 3' direction.Ligase - This enzyme is responsible for joining the Okazaki fragments on the lagging strand.Topoisomerase - This enzyme is responsible for relieving the tension that builds up ahead of the replication fork when the two strands of DNA are separated. Without topoisomerase, the strands would become overwound and break.Learn more about DNA: https://brainly.com/question/16099437
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what two plant organelles are involved in turgor pressure?
Turgor pressure is developed in a plant cell from three important parts, the central vacuole, plasma membrane, and cell wall.
where does the excess glucose go once the liver & muscle glycogen stores are full?
When the liver and muscle glycogen stores are full, excess glucose is converted to fat and stored in adipose tissue or transported to other organs to be used for energy.
Excess glucose from dietary carbohydrates is stored in the liver and muscle as glycogen. Once these glycogen stores are full, excess glucose is converted to fat and stored in adipose tissue. This process is called lipogenesis. The fat that is produced is either stored or released into the bloodstream as triglycerides, which are transported to other organs, such as the heart, muscles, and other tissues. From here, the triglycerides can be oxidized and used for energy, or they can be stored in the form of fatty acids.
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is the variety of the earth's species, the genes they contain, the ecosystems in which they live, and the ecosystem processes such as energy flow and nutrient cycling that sustain all life
Biodiversity refers to the diversity of organisms on earth, the genes they carry, the environments they live in, and the ecosystem processes that support all life, such as energy flow and nutrient cycling.
What is Biodiversity?
Biodiversity is the variety of all living things on earth and the systems that support them. The genetic variation found among individuals of a population is one of the most critical aspects of biodiversity. Genetic variation is essential because it allows for diversity within and between species, enabling species to adapt to changing environmental conditions and preventing genetic diseases or genetic defects.
Ecosystem diversity encompasses the variety of terrestrial and aquatic ecosystems found in different biomes around the world, as well as the interconnectivity of these systems. The food chain, nutrient cycling, and other essential ecosystem services are all vital components of ecosystem diversity.
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how many subunits make up the core rna polymerase of a bacterium?
The core RNA polymerase of a bacterium is composed of four subunits: two α subunits, one β subunit, and one β' subunit. The α subunits have regulatory roles, while the β and β' subunits are responsible for catalyzing RNA synthesis.
The β subunit is responsible for binding the DNA template and the incoming ribonucleotides, while the β' subunit is responsible for catalyzing the formation of the phosphodiester bonds between the ribonucleotides.
The core RNA polymerase is able to carry out elongation of the RNA transcript, but additional subunits called sigma factors are required for the initiation of transcription at specific promoter sequences. Different sigma factors confer specificity to the RNA polymerase by recognizing different promoter sequences and binding to the core enzyme to form a holoenzyme.
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The act of shivering is an example of skeletal muscle performing function?a. production of heat. b. protection and support. c. maintenance of posture. d. Both a and c.
The act of shivering is an example of skeletal muscle performing the function of production of heat and maintenance of posture. Therefore, option D is the answer.
The functions of the skeletonFunctions of the skeleton include:
Support: The skeleton provides a framework for the body, supporting the weight of the body and protecting internal organs.Movement: The skeletal system works with muscles to allow movement of the body.Protection: The skeleton protects vital organs such as the brain, heart, and lungs from injury.Blood cell production: The bone marrow inside certain bones produces red blood cells, white blood cells, and platelets.Mineral storage: The skeleton stores minerals such as calcium and phosphorus, which are important for maintaining healthy bones and other bodily functions.Shivering is a mechanism used by the body to generate heat when the body temperature drops. Skeletal muscles, particularly those in the arms and legs, rapidly contract and relax to produce heat, which helps to increase body temperature. Additionally, shivering can also help to maintain posture as the rapid muscle contractions and relaxations cause the body to shake, which engages core muscles and helps to keep the body stable.
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Under the ___________ , species are identified based on their unique habitat requirements.phylogenetic species concept,biological species concept,evolutionary species concept,ecological species concept,general lineage concept.
Under the ecological species concept, species are identified based on their unique habitat requirements. Therefore the correct option is option C.
The ecological species concept is a definition of species in which a species is a group of organisms that can breed with one another and are adapted to their environment in a unique way. The emphasis is placed on an organism's distinctive ecological function in its environment, as well as the ecological niche it occupies.
As a result, a species is defined as a group of individuals that exploit a single niche in the same way, and whose members' life histories are linked through a number of adaptations to that niche.
Evolutionary species concept: It is a definition of species based on the idea that species are derived from lineages of ancestral populations that have experienced relatively long, independent evolutionary histories. Therefore the correct option is option C.
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