light energy is absorbed by organic pigment molecules during photosynthesis.
By converting light energy into chemical energy through a process called photosynthesis, plants and other living things can subsequently release that chemical energy to power their activities. The name "photosynthesis" comes from the Greek words "phs" for "light" and "synthesis" for "putting together." Some of this chemical energy is stored in carbohydrate molecules like sugar and starch, which are created from carbon dioxide and water. These creatures are referred to as photoautotrophs and include the majority of plants, algae, and cyanobacteria. Most of the energy required for life on Earth is produced and maintained through photosynthesis, which also produces and maintains the oxygen concentration of the atmosphere.
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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
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 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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Is RNA testing genetic testing?.
RNA analysis, which is an output of gene expression, and biochemical analysis, which measures a specific protein output, are two examples of ways that genetic testing can quantify the effects of genetic changes.
While RNA and DNA both contain bases that contain nitrogen and are connected by sugar-phosphate backbones, RNA and DNA differ from each other physically and functionally. DNA is double-stranded, whereas RNA is single-stranded structurally. Thymine, also known as 5-methyl uracil, is a pyrimidine nucleobase found in DNA, whereas uracil is a distinct pyrimidine nucleobase found in RNA. However, studies have demonstrated that further RNA testing aids in overcoming DNA testing's limitations. Combining DNA and RNA tests can produce answers that are much more accurate and nuanced, especially when it comes to testing results that are currently unclear.
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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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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
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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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.
What happens if there is no chlorophyll in the leaves?.
A lack of chlorophyll, the natural pigment that gives green plants their colour, results in chlorosis, a yellowing of the leaf tissue.
Chlorosis may be brought on by issues with drainage, damaged roots, compacted roots, high alkalinity, and nutrient deficiencies in the plant.
If a plant doesn't produce enough chlorophyll, which it does naturally, it will die and lose its green hue, turning brownish-yellow.
However, there is a small distinction between how plants with green leaves absorb solar energy and how plants without green leaves carry out photosynthesis without chlorophyll. The entire visible light spectrum is absorbed by green leaves. These light waves are reddish-orange and violet-blue.
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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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how many layers of phospholipids make up a typical cell membrane?
A typical cell membrane is composed of two layers of phospholipids.
What is cell membrane?Cell membrane, also known as the plasma membrane, is a thin, flexible, semipermeable barrier that surrounds the outside of a cell. It helps to regulate what substances enter or leave a cell, as well as providing structure and support to the cell. The cell membrane also contains proteins that facilitate cellular communication, help transport molecules into and out of the cell, and serve as recognition sites for other cells.
Each layer consists of a phospholipid bilayer, which is made up of two layers of phospholipids that have hydrophilic (water-attracting) heads and hydrophobic (water-repelling) tails. The hydrophilic heads are arranged on the outside of the membrane, forming the outer surface of the bilayer. The hydrophobic tails are arranged in the middle of the bilayer, forming the inner surface of the membrane. This arrangement of phospholipids creates a barrier between the inside and outside of the cell, and it is this barrier that helps to regulate the movement of substances in and out of the cell.
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True or Fale: In diffuion, particle move from an area of low concentration to an area of high concentration
"Particles migrate in diffuion from a low-concentration area to a high-concentration area."
The statement is false.
Diffusion is the movement of a substance's individual molecules over a semipermeable barrier from an area of higher concentration to an area of lower concentration.
Diffusion is the total net transfer of a substance from one concentration to another. Diffusion is fueled by a gradient in the chemical potential or Gibbs free energy.
The movement of materials into and out of cells is facilitated by diffusion. The molecules move from an area of higher concentration to an area of lower concentration until the concentration is the same everywhere.
Due to the possibility of random molecule movement, diffusion happens in gases and liquids.
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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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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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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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how was the origin and evolution of cyanobacteria possible?
Cyanobacteria are autotrophic microbes with a long evolutionary history and a variety of fascinating metabolic characteristics.
The photosynthesis that cyanobacteria do evolves oxygen and resembles that of plants. Two of cyanobacteria's most significant evolutionary contributions are the oxygen-rich atmosphere of Earth and the plastid origins of plants.
In addition, the fossil record of cyanobacteria is nearly entirely from shallow marine environments, frequently from the intertidal zone or hypersaline lacustrine. Terrestrial deposits are less frequently preserved in the geological record, which may skew our perception of the biological ranges of prehistoric organisms.
According to some theories, marine planktonic cyanobacteria evolved after crown groups in freshwater, terrestrial, and benthic coastal contemporary habitats.
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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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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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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 are the 4 concepts of evolution?.
Variation, inheritance, selection, and time are the four concepts that regulate evolution. These are viewed as components of the evolutionary process driven by natural selection. The hypothesis of evolution through natural selection uses these ideas as a conceptual baseline.
Individuals in every species have different genetic make-ups, which result in numerous differences in their physical appearance. Similar to this, individuals pass on a portion of their genetic material to the upcoming generation through inheritance. Some of these hereditary traits help the progeny perform better in challenging circumstances. Later, they produce more children of their own with a more developed set of traits. This process of selection causes changes in the species throughout time. The accumulation of these changes in a species, however, may take days, months, decades, or even millions of years.
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Why is Sickle Cell Anemia a good example of how evolutionary thinking can help us better understand human diseases?
a.) The fact that the sickle cell allele has increased in humans over time shows that evolution does not always make the population stronger.
b.) Sickle Cell Anemia is harmful, therefore the allele is dying out over time.
c.) Sickle Cell Anemia shows how a mutation that is beneficial in one environment can be harmful in another.
d.) The high prevalence of the sickle cell allele in people of African descent caused scientists to investigate whether there were any beneficial effects of the mutation
Sickle Cell Anemia is a good example of how evolutionary thinking can help us better understand human diseases because the high prevalence of the sickle cell allele in people of African descent caused scientists to investigate whether there were any beneficial effects of the mutation.
What do you mean sickle cell anemia?A series of blood abnormalities known as sickle cell disease (SCD) are commonly hereditary. The most typical variety is referred to as sickle cell anemia. The oxygen-carrying protein hemoglobin in red blood cells becomes dysfunctional as a result. In certain cases, this results in a hard, sickle-like form. Sickle cell disease problems often start at the age of 5 to 6 months. Anemia, swelling in the hands and feet, bacterial infections, stroke, and pain episodes (also known as sickle cell crises) are just a few of the health issues that could arise. As people age, they may experience chronic pain. In the developed world, people typically live between 40 and 60 years.
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what type of bond holds together the complementary nucleotides?
Hydrogen bonds are the type of bond holds together the complementary nucleotides.
The G-C and A-T base pairs form hydrogen bonds that hold the two complementary nucleotide strands of each DNA molecule's double helix together. The genetic data contained in an organism's DNA serves as a repository for all of the protein synthesis instructions that will ever be needed. The two strands are joined together by potent hydrogen bonds. Due to their anti-parallel orientation, the two strands are precisely aligned.
When nucleotides are incorporated into DNA, a covalent binding between the 5′ phosphate group of one nucleotide and the 3′-OH group of another nucleotide is formed. This covalent interaction is known as a phosphodiester bond. In this way, phosphate-sugar-phosphate-sugar-phosphate forms the "backbone" of each DNA strand.
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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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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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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?
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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Some students were building a model of a
digestive system. Which choice best
describes a process they should show with
their model?
F Tissues digest food for the organ
system to absorb.
GCells digest food, which is then
absorbed by organs.
Organs digest food by working
together as a system.
(H)
The organ system uses specialized
cells to digest food.
The digestive process is divided into four steps: ingestion, chemical and mechanical food breakdown, nutrient absorption, and expulsion of indigestible food.
What does the digestive process entail?
The digestive process starts as soon as something is chewed. In order for food to pass more easily through your esophagus and into your stomach, saliva, a digestive juice produced by your salivary glands, moistens the food. The carbs in food also begin to be broken down by an enzyme found in saliva.
Motility, digestion, absorption, and secretion are the four fundamental functions of the digestive system. Our digestive system transforms our food into energy that we can use.
The digestive system's initial function is to take in food through the mouth. The "ingesting" procedure must take place before anything else can happen.
The complete question is:
Some students were building a model of a digestive system. Which choice best describes a process they should show with their model?
a) F Tissues digest food for the organ system to absorb.
b) G Cells digest food, which is then absorbed by organs.
c) Organs digest food by working together as a system.
d) The organ system uses specialized cells to digest food.
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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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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:
What is the first and longest phase of mitosis where chromatin coils into visible chromosomes?
