In the 1960s, a vaccination effort against rinderpest resulted in the recovery of ungulate populations as well as a decline in vegetation biomass and wildfires. The vegetation community was returned to grasslands as a result of the change in grazing intensity.
Animals contracted the virus by breathing the breath, secretions, or excretions of sick animals since the virus transmitted via droplets. For wild herds, rinderpest was a so-called "dead-end disease" because the low population density prevented the transmission of the illness. The disease was eradicated in 2011 thanks in large part to the dead-end in wild herds and the 1960 development of a powerful vaccination.
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A food worker is not sure when the dry storage area needs to be cleaned. What can be done to find out when to clean it?
A food worker is not sure when the dry storage area needs to be cleaned. Check the master cleaning schedule can be done to find out when to clean it.
Any person who prepares, serves, stores, delivers, or otherwise works with unpackaged food, food-contact surfaces, or food-equipment or utensils, as well as maintaining the cleanliness and sanitization of kitchen and dining spaces, is referred to as a "food worker"; Food workers include anyone who handles, prepares, serves, sells, or donates food for consumption, as well as anyone who handles the tools and equipment used in conjunction with it. A person who only handles food or drink in closed crates, cartons, bottles, packages, or other similar containers, in which no portion of the food or drink is exposed to contamination through such handling, is not included in the term when they work in establishments subject to this Health Ordinance.
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contains muscle that controls the size of the pupil
The iris sphincter muscle is a muscle located in the colored part of the eye called the iris. It is also known as the pupillary sphincter or sphincter pupillae.
The sphincter muscle fibers are near the pupillary margin and slightly anterior to the iris' pigmented epithelium.
It surrounds the pupil of the iris and constricts it in bright light via the pupillary light reflex or during accommodation. The iris regulates the amount of light that reaches the retina at the back of the eye by controlling the diameter of the pupil.
It regulates the flow of aqueous humor into Schlemm's canal and controls accommodation for viewing objects at different distances. It also alters the shape of the lens within the eye, but not the size of the pupil, which is controlled by the sphincter pupillae and dilator pupillae muscles.
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A seed can germinate once the endosperm dehydrates sufficiently. true or false
A seed can germinate once the endosperm dehydrates sufficiently. It is a false statement.
When soil moisture and temperature conditions are ideal for their growth, seeds typically "wake up" and germinate. However, not all seeds have the same germination conditions, therefore it's critical to understand what each variety of seed requires. To germinate, seeds require the right combination of temperature, moisture, air, and light.
The initial stage of a seed's transformation into a seedling is called germination. Seeds need the right amount of water, oxygen, and temperature to germinate. In a state of suspended animation known as dormancy, seeds wait to germinate until the environment is favourable for their survival and growth.
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during the denaturation of ribonuclease, which level of protein structure was maintained?
Which degree of protein structure been preserved throughout ribonuclease's denaturation. All that was kept was the basic protein structure. Its form determines how a protein works. Because of this, some proteins may not function as they should.
What exactly does denaturation entail?In biology, the process of denaturation involves changing a protein's molecular structure. The process of denaturation entails the splitting of many of the insufficient linkages, or bonds, within a protein complex that are in charge of the protein's highly ordered structure in its native (natural) state. These weak linkages or bonds include hydrogen bonds, for example.
What does denaturation look like?Some of a food's proteins denature during cooking. This is the reason that cooked meat firms up and boiled eggs become hard. Egg whites, which are normally primarily egg albumins in water, are a classic illustration of proteins becoming denaturized.
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what shape does a bloodstain make when it falls perpendicular to a surface
A bloodstain from a perpendicular fall will typically make a round or oval shape.
What is bloodstain?
Bloodstain is a dried area of blood on a surface such as clothing, carpet, or other material. Bloodstains can be the result of a crime, an accident, or a medical procedure. Bloodstains can also be used in forensic science to help identify a perpetrator or victim. They are studied to determine the shape, size, and composition of the blood. Bloodstains can also be used to determine the angle and direction of the impact that caused them.
Therefore, A bloodstain from a perpendicular fall will typically make a round or oval shape.
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portion of the autonomic nervous system that arises from the brain and spinal cord.
Two opposing sets of nerves, the sympathetic and parasympathetic nervous systems, make up the autonomic nervous system.
Where is the autonomic nervous system located in the spinal cord?Autonomic outflow is regulated via circuits in the brain and spinal cord. The brainstem, thoracic, upper lumbar, and sacral areas of the spinal cord all include preganglionic neurons that are responsible for parasympathetic and sympathetic autonomic output.Involuntary physiological activities including heart rate, blood pressure, breathing, digestion, and sexual arousal are regulated by the autonomic nervous system, a part of the peripheral nervous system.A component of the autonomous nervous system is the sympathetic and parasympathetic nervous systems.Depending on what they do, the sympathetic and parasympathetic autonomic ganglia are two different sorts. The first are typically found adjacent to the spinal cord, whilst the second are found near or inside the viscera of the peripheral organs they innervate.To learn more about nervous refer to:
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how many chromosomes are in each of the cells that make up the human body?
46 chromosomes are in each of the cells that make up the human body
What is chromosome ?A chromosome is a lengthy DNA molecule that contains all or a portion of the genetic code for an organism. Most chromosomes include packaging proteins covering their extremely long, thin DNA fibres; in eukaryotic cells, the histones are these proteins' most crucial components.
Normally, the human body's cells contain 23 pairs of chromosomes (46 total chromosomes). The other half comes from the father, whereas the first half is from the mother. When you are born, your gender is determined by two chromosomes (the X and the Y chromosome).
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dentify at least two factors that can affect respiratory rate and describe how they affect it .
Answer:
A number of factors can influence the respiration rate, such as:
Age – younger children generally have higher oxygen demands and therefore breath faster
Pain – pain will cause an increase in respiration rate
Emotion – emotion will cause an increase in respiration rate
Resistance from air passages – increased resistance (e.g. in asthma) prevents as much air entering the lungs during each cycle. The demand for oxygen will then increase, increasing the respiration rate.
Fever – fever increases the body’s demand for oxygen, increasing the respiration rate
Elasticity of the lungs – the less elastic the lungs, the less air can enter the lungs each cycle, increasing the respiration rate.
Chemical changes – chemical changes in the body, caused by hypoxia, metabolic disorders or medications / drugs, can cause the respiration rate to increase or decrease, depending on the stimulus
Which is not a characteristic of the earthworms?
Select one:
O a.
a.
segmentation
O b. complete digestive system
O c.
hermaphroditic
O d.
d. nephridia to remove waste
O e. dorsal hollow nerve cord
Answer:
a.
segmentation
What color of light would be least effective for plant photosynthesis?.
Green light's wavelength is thought to be the least efficient for photosynthesis. The rate of photosynthesis will be the slowest if the plants are exposed to green wavelengths during photosynthesis. This is because chlorophyll, a green pigment, is present.
Although different species perform photosynthesis in different ways, the process always starts with light energy being absorbed by proteins called reaction centers, which contain green chlorophyll (and other colored) pigments/chromophores. These proteins are held inside chloroplasts, which are most abundant in leaf cells in plants, whereas they are embedded in the plasma membrane in bacteria. Some energy is used in these light-dependent reactions to strip electrons from suitable substances such as water, resulting in the production of oxygen gas.
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What is the importance of thinking scientifically as opposed to what we called common sense?.
Science and common sense have different ends in mind. Science may forego the necessity for guiding immediate action in favor of attaining some understanding that is, at least in part, independent of people and context, as opposed to common sense which is primarily concerned with immediate action in context.
Our everyday understanding is what we refer to as common sense. Science takes a step further and offers scientific explanations for everyday events and assumptions. The primary distinction between the two words is this. Folk psychology, commonly known as people's assumptions about how people behave, frequently proves to be inaccurate. This is one main justification for psychology's reliance on science as opposed to common sense. Certain critical thinking habits are fostered among psychology researchers.
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what is the best patient body position for peak flow measurement?
The best patient body position for peak flow measurement is sitting upright with the back and head supported.
What do you mean by peak flow measurement?
Peak flow measurement is a test used to measure how well air moves out of the lungs. It is used to help detect, monitor, and manage asthma. During the test, a person blows as hard and fast as they can into a peak flow meter, which measures the amount of air expelled in one breath. The peak flow measurement score is used to help determine a person’s asthma severity and to decide which medications and treatments may be needed.
The patient should be seated with feet flat on the floor and the elbows bent at a 90 degree angle. The peak flow meter should be held at the level of the mouth and pointed straight ahead.
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Which of the following is a correct function of bile?
A. To emulsify proteins
B. To provide enzymes for the digestion of lipids
C. To neutralise the alkaline conditions of food entering the duodenum
D. To increase the surface area of lipids for digestion
Bile's job is to break down fats into little bits so that fat-digesting enzymes can access them.
What does bile emulsify do?Bile acids break down large lipid droplets into smaller ones during the emulsification process, increasing the surface area for digesting enzymes. The amphipathic nature of bile salts makes emulsification possible [1].Bile's role is to break down fats into smaller bits so that fat-digesting enzymes may access them.Large fat droplets are broken up into extremely little droplets by bile. More fat molecules can now be exposed to the enzymes that aid in digestion thanks to this process.Bile's job is to break down fats into little bits so that fat-digesting enzymes can access them.To learn more about Bile's refer to:
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Bile, a greenish-yellow fluid made up of cholesterol, bile salts, and waste products, is secreted by the liver cells to serve two main purposes: to transport waste. to cause the digestion of fats.
Which is the correct function of bile?The liver produces and secretes bile, which is a fluid that is then kept in the gallbladder for later use. Digestion is facilitated by bile. The digestive system can absorb fatty acids that are produced from the breakdown of fats. In the small intestine, bile is released and has two functions: it neutralizes the acid and creates the alkaline conditions required for proper small intestinal function.
In order to provide the lipase enzymes more surface area to work with, it emulsifies fat, breaking up large droplets of fat into numerous smaller droplets. via means of fat emulsification, helps in fat digestion. Taking in fat and vitamins that are fat-soluble. bilirubin and extra cholesterol are excreted. provides an alkaline fluid to the duodenum in order to balance the chyme's acidic pH.
Therefore the correct answer is option D. To increase the surface area of lipids for digestion .
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the timing of the cell cycle in eukaryotic cells is believed to be controlled by a group of closely related proteins known as
The cell cycle in eukaryotic cells is believed to be controlled by a group of closely related proteins referred to as cyclin-dependent kinases (CDKs).
These proteins are responsible for the timing of the cell cycle, determining when the cell should divide and when it should enter a quiescent state.
They are also responsible for making sure the cell progresses through the various stages of the cell cycle in the correct order. CDKs are activated by the binding of cyclins, which are proteins that are present in the cell at different times in the cycle.
The binding of cyclins to CDKs causes them to become active, which in turn triggers the cell to progress through the cycle. As the cell progresses through the cycle, the concentration of cyclins decrease, causing the CDKs to become inactive and the cell to enter a quiescent state.
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what are the visible characteristics of areolar connective tissue?
The visible characteristics of areolar connective tissue is several fiber kinds that run in various directions. A woven or web-like pattern can be seen when fibers are present.
The two subclasses of connective tissue are loose and thick tissues. Areolar, adipose, and reticular tissue are further categories for loose connective tissues. Areolar tissues are widely dispersed throughout the body and serve largely as a cushion between other tissues.
All over the human body is connective tissue, including the areolar connective tissue. Organs, muscles, and many other tissues are supported and protected by it. It aids in keeping the skin together as well.
Areolar Connective Tissue's Purpose is:-
1. Offers a protective framework that supports and holds important structures in place.
2. Has mast cells that aid in infection prevention.
3. The collagen fibers in the areolar tissue are extremely thick, giving it strength and rigidity.
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Which explanation is true regarding the stuctures of dna and rna, and how do they relate to replication and the expression of a gene?.
Replication involves copying the entire DNA molecule in order to produce a double-stranded DNA molecule. Single-stranded RNA is produced from a segment of the DNA strand and is then translated into proteins.
How do the different DNA and RNA forms relate to the functions that they carry out?
Nucleic acids, such as deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), carry genetic information and are read by cells to produce the RNA and proteins that enable living things to function.
What's the connection between DNA and RNA, and what happens when they work together?
Protein, RNA, and DNA are all connected to one another. DNA does not directly make proteins, but it does contain the information required to encode proteins. Proteins carry out the vast majority of cellular tasks,
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What are the structure of RNA and DNA and how one might be used to create the other?
the star that provides energy for life on earth is
The star that provides energy for life on earth is the sun.
What is the Sun? A hot, incandescent ball of hydrogen and helium at the center of our solar system, our Sun is a 4.5 billion year old star.Despite the Sun's distance from Earth, which is around 93 million miles (150 million kilometers), life as we know it would not be possible on our planet without the Sun's radiation. In our solar system, the Sun is the biggest body. The solar system is held together by its gravity, which keeps everything in orbit around it, from the largest planets to the smallest pieces of junk. The Sun's core, which reaches temperatures of more than 27 million degrees Fahrenheit, is its hottest region (15 million degrees Celsius).Learn more about Sun here:
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Why don t these enzymes digest the stomach and small intestine which are partially composed of protein?.
Enzymes have a difficult time working on the live protein chains that line your mouth, stomach, and intestine. Because the live protein chains are tightly coiled, enzymes cannot come into contact with them.
Enzymes are proteins that act as catalysts, increasing the rate of chemical reactions without changing the overall process.
The stomach, pancreas, and small intestine produce protease. The majority of chemical reactions take place in the stomach and small intestine. Pepsin is the primary digestive enzyme that attacks proteins in the stomach.
Pepsin is released in an inactive form, or zymogen form, by specific cells within the gastric lining known as chief cells. In this way, the stomach prevents the auto-digestion of protective proteins in the digestive tract lining.
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What is the first and longest phase of mitosis where chromatin coils into visible chromosomes?
how long does it take for underwriters to approve a va loan
When you submit an application for this kind of mortgage, the underwriter will ensure that it complies with the conditions established by the VA as well as those of the lender. VA loan closings typically take 57 days.
A process known as "underwriting" will be applied to your loan when you apply for a mortgage, whether you're buying a new house or refinancing. Each new stage in the process might be nerve-wracking when you're eager to close on your loan. What if this presents a challenge that causes my closure to be delayed or not occur at all? This may be particularly true during the underwriting process, when an underwriter may carefully examine your financial history. You can reduce your worries and be better prepared to deal with problems that might come up while your loan is being underwritten by being aware of how underwriting functions and the typical timeframe for the procedure.
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more than a compliance program, business ethics is becoming
More than a compliance program, business ethics is becoming a management issue to achieve competitive advantage.
Business ethics is no longer just a compliance program; it has become an important management issue that organizations must address in order to remain competitive.
Companies that prioritize ethical and responsible practices will benefit from increased customer loyalty, improved reputation, and greater employee morale.
Studies have shown that businesses that exhibit strong ethical values are more likely to attract and retain quality employees, leading to increased productivity and profitability.
With the competitive nature of today's market, businesses must ensure that their ethical standards are up to par in order to remain competitive. Investing in a robust ethics program can pay off in the long run, providing a distinct competitive advantage in the market.
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Why were the researchers looking for fossils in the arctic, when there are areas that have more biological diversity elsewhere in the world?
The researchers may have been looking for fossils in the Arctic because it is a unique and relatively unexplored area that has a different kind of biological diversity compared to other areas of the world.
Why is biodiversity in the Arctic important?This vast biodiversity provides people with essential services and values. They not only provide food, but also the daily context and foundation for social identity, cultural survival, and spiritual life. Additionally, the Arctic is known for preserving fossils well due to the cold temperatures, which can slow down the process of decay, making it an ideal place for paleontological discoveries.
The researchers may also have been specifically interested in studying the ancient flora and fauna that once lived in the Arctic region, and how they were adapted to the harsh conditions there.
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crossing-over allows for genetic exchange between...?
When discussing genetics and genomics, the term crossing over is used to describe the transfer of DNA between pair homologous chromosomes, one from each parent, that takes place during the meiotic development of sperm and egg cells.
Why do cells switch over during meiosis?When two gametes eventually unite during sexual reproduction, a process known as crossing over produces gametes which contain new gene combinations, maximizing the genetic variety of every offspring that emerges.
Which phrases best sum up crossing over?A sperm cell and an egg cell cross over to form a new cell. Chromosome pairs that link up cause crossing over to occur. A new cell that crosses over into the original cell is guaranteed to be identical. New gene combinations are formed on chromosomes as a result of crossing over.
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the surgical removal of the synovial membrane from a joint
The surgical removal of the synovial membrane from a joint is called synovectomy.
A synovectomy is a surgical procedure used to treat synovitis and other conditions that affect the synovium, a thin membrane lining the interior of some joints (referred to as "synovial joints"), including your knee, shoulder, and elbow. The synovium is largely removed during a synovectomy procedure.
A "arthroscopy" is exactly what?
Arthroscopy locates and treats the joint problems. A buttonhole-sized hole is created by the surgeon, who then inserts a skinny tube with a fiber-optic video camera through it. A high-definition video monitor receives the view from inside your joint. A synovectomy is a surgical procedure that can be used to treat some synovial disorders.The interior of many joints, also referred to as synovial joints, have a very thin membrane.To know more about synovial membrane visit:-
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Background check are continuing to how everal PHONE companie are till uing an oppoite ex race & unknown (to me) individual to have regitered my mobile phone number. THIS IS NOW YEAR 8
If an employee fails the background verification, they may be terminated and put on the No-Hire list, which means they can never get a job in that organization.
What is background check?
A background check or background investigation is a review of a potential employee's criminal, commercial and financial records. The goal of background checks is to ensure the safety and security of the employees in the organisation.Criminal background checks will reveal felony and misdemeanor criminal convictions, any pending criminal cases, and any history of incarceration as an adult. Arrests pending prosecution may also be reported, and in some cases, arrests that did not lead to a criminal conviction may also appear.There are plenty of reasons a person may not pass a background check, including criminal history, education discrepancies, poor credit history, damaged driving record, false employment history, and a failed drug test.To learn more about mobile refers to:
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which of these relationships is true of an uncharged atom?
The number of protons is equal to the number of electrons is the relationship that is true of an uncharged atom.
Atomic structure dictates that the number of protons in an uncharged atom is equal to the number of electrons.
This relationship is essential to understanding the behavior of atoms and molecules.
It's important to note that this applies only to uncharged atoms; atoms with a charge, either positive or negative, will have a different number of protons and electrons.
Atoms are the building blocks of all matter, and they consist of a nucleus surrounded by one or more electrons.
The number of protons in the nucleus of an atom is always equal to the number of electrons orbiting it.
This relationship is true for all uncharged atoms, meaning that the number of protons and electrons always match up, allowing atoms to stay in a stable, neutral state.
Although a part of your question is missing, you might be referring to this question:
Which of these relationships is true of an uncharged atom?
a) The number of protons is equal to the number of electrons.
b) The number of neutrons is equal to the number of electrons.
c) An uncharged atom has positive charge.
d) None of the above
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what is the primary function of the pyloric valve?
Answer: The primary function of pyloric valve is to pass the food from stomach to the top of small intestine
Explanation: The pyloric sphincter at the bottom of the stomach is a muscular valve which helps to transfer food from stomach to small intestine.
Stomach is a muscular sac about the size of a small melon . once the stomach breaks the complex and strong muscular contractions , food is pushed towards the pyloric valve . This valve leads to the upper portion of your small intestine, a segment known as the duodenum.
1. Brainstorm a list of the things you know that are in your blood .
In a medical setting, the amount of substances in blood can be a key indicator to health or disease.
An average human has approximately 5L of blood. Inside this 5L are the cellular component and a liquid portion made
mostly of water, called plasma. The cellular component contains the red and white blood cells, as well as platelets that aid
in blood clotting. The remainder of the blood is plasma, containing all other dissolved nutrients such as glucose, ions and
proteins.
A centrifuge can be used to separate the cellular components from the plasma. The red blood cells would travel to the
bottom of the centrifuge tube and make up almost 45% of the blood. A measure of the percentage volume of whole blood
that is made up of red blood cells is called the haematocrit. The platelets (0.17%) and white cells (0.1%) would form a very
thin layer called the buffy coat and sit just on top of the red cells. The plasma would be at the top and would be about 55%
of the total blood volume.
Blood is composed of red blood cell (RBC), white blood cell (WBC), plasma and platelets.
What is blood?
Blood is a connective tissue. Solids and liquids make up your blood. Water, salts, and protein make up the plasma, which is the liquid component. Your blood contains more than 50% plasma. Red blood cells, white blood cells, and platelets make up your blood's solid portion.
Your tissues and organs receive oxygen from your lungs through red blood cells (RBC). It transports nutrients and excretory products in the body.
Thus, this are the components of blood.
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during which phase of mitosis do the nuclear envelope and nucleoli disappear?
The nuclear envelope and nucleoli dissolve during prophase of mitosis.
In the process of mitosis, sometimes referred to as cell duplication or reproduction, a cell divides into two genetically identical daughter cells. Chromosome duplication and dispersion, the biological processes that contain genetic material, are what are meant when the term "mitosis" is used precisely. Early prophase marks the beginning of the cell's preparation for chromosomal division, with certain structures being destroyed and others being built. The chromosomes are beginning to condense (making them easier to pull apart later on). Starting to form is the mitotic spindle. Strong threads that make up the spindle are known as microtubules, which serve as the cell's "skeleton." It moves and organises the chromosomes during mitosis. The spindle enlarges as the centrosomes split.
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What can be inferred from this cladogram?
Image showing a cladogram. Traits are listed on the main branch. Jaws appear first at the bottom of the main branch. Hagfish is the first branch coming off the main branch. It appears before the jaws trait. Lungs are the second trait listed on the main branch. It comes immediately after jaws. Perch is the second branch coming off the main branch. It appears after jaws and before lungs. Claws or nails is the third trait listed on the main branch. Salamander is the third branch coming off the main branch. It appears after lungs and before claws or nails. Fur and mammary glands are the fourth trait listed on the main branch. The lizard branch appears after claws or nails and before fur and mammary glands. Feather is a trait that appears on the pigeon branch. The pigeon branch comes off the main branch between the claws or nails and the fur and mammary glands traits. Mouse is a branch coming off the main branch. The mouse branch appears after fur and mammary glands. Chimp is the final branch coming off the main branch. The chimp branch appears after fur and mammary glands.
Fur and mammary glands are traits that evolved first.
Both the hagfish and the salamander have jaws and lungs.
Claws or nails is a characteristic that separates the lizard from the pigeon.
The chimp and the mouse have the most similar characteristics.
Cladograms are representations of different taxa relationships and the emergence of different derived characters as groups evolved. D) The chimp and the mouse have the most similar characteristics.
What is a cladogram?A Cladogram is a graph drown as a tree, which is based on cladistic analysis. It represents the common ancestral relationships and the emergence of different characters among the involved groups.The tree-type graph is a ramified diagram that represents the relationship between the involved taxa.
The cladogram represents the relationship between groups according to a derived character.
The derivated character is any trait that a group passes to the descendants. Through evolution, the characters change, and new changes are added. When referring to a derivate character, we mean that all the subsequent species in the cladogram carry the trait.
A cladogram provides an image of how new species keep characters that were inherited from older species.
In the exposed example, the correct option is D) The chimp and the mouse have the most similar characteristics. Both of them emerged after Fur and mammary glands appearance.
A) Fur and mammary glands are traits that evolved first.
False, they were the last ones to evolve.
B) Both the hagfish and the salamander have jaws and lungs.
False, only the salamander has jaws. The hagfish emerged before jaws evolved.
C) Claws or nails is a characteristic that separates the lizard from the pigeon.
False, both groups (lizards and pigeons) have claws or nails.
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Answer:
D) The chimp and the mouse have the most similar characteristics.
Explanation:
