Answer:
The wavelength of wave B will be greater than wavelength of wave A which has greater frequency.
What is wavelength?
The wavelength of a wave is the distance traveled by the wave.
The relationship between wavelength and frequency of a wave is given as;
v = fλ
λ = v/f
At a constant speed of sound, increase in frequency causes a decrease in the wavelength of a given wave.
Thus, the wavelength of wave B will be greater than wavelength of wave A which has greater frequency.
Explanation:
The wavelength of wave B will be greater than wavelength of wave A which has greater frequency. It means λA=1/3 λB. The correct option is c.
What is wavelength?The distance over which a periodic wave's shape repeats is known as the wavelength in physics. The distance a wave travels is measured by its wavelength.
The following is the formula for a wave's relationship between wavelength and frequency:
v = fλ
λ = v/f
A given wave's wavelength decreases as its frequency rises with a constant speed of sound.
Thus, the correct option is c.
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1. Which one of the following statements about RNA processing is true? RNA splicing can be catalyzed by tRNA Introns are cut out before mRNA leaves from the nucleus RNA polymerase removes exons from the pre-mRNA A pre-mRNA is often much shorter than the final mRNA molecule that leaves from the nucleus 2. Which of the following is an explanation for how there can be differential gene expression throughout a multicellular organism? Some tissues have histones, while other cells do not use histones There are unique sets of genes present in the different tissues of the organisms Different tissues throughout the organism use different genetic coding rules There are unique combinations of transcription factors in different tissues of the organism 3. Where, in a eukaryotic cell, should functional tRNA molecules be located? RNA polymerase Nucleolus Nucleus Cytoplasm
The correct option is C) Exons are cut out before mRNA leaves the nucleus . Gene expression involves two major stages: transcription and translation.
Transcription involves the production of an mRNA molecule which is called a transcript. However, when this RNA transcript is newly made, it is regarded as pre-mRNA. It needs to undergo certain procedures collectively called RNA processing in order to be considered a mature RNA.
In an eukaryotic cell, pre-mRNA undergoes three major steps to become matured mRNA. These steps are:
1. Capping at the 5' end, which involves the addition of a nucleoside to the 5' end of the mRNA molecule.
2. Polyadenylation, which involves adding Adenine nucleotides to the 3' end of the mRNA molecule.
3. Splicing, which involves removal of the non-coding regions of the gene called EXONs from the coding region called INTRON. This process is carried out by an enzyme called SPLICEOSOMES.
RNA processing in eukaryotes occurs before the mRNA molecule leaves the nucleus for the cytoplasm in order to be translated. At the end of the RNA processing, the mature RNA molecule that leaves the nucleus is shorter than the pre-mRNA molecule due to the removal of exons during splicing.
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The following table describes some biotechnological processes. 1 producing offspring that have identical
In this question, cloning is discussed in the first process and artificial selection is discussed in the process second.
What are the processes used in biotechnology?In the cloning process, the use of parents to produce offspring which is genetically identical to its parents is called a clone.
In the second process, the artificial selection method is used to choose the high-yielding variety of fruits to develop by the biotechnology method. This method is used to produce a higher amount of products and has resistance to disease.
Therefore, in the given table first is cloning and the second is the artificial selection method.
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The given question is incomplete so the most probable complete question is,
The following table describes some biotechnological processes.
Biotechnological Processes
Process Description
1 Producing offspring that have identical DNA as one parent
2 Crossing a high-yielding fruit variety with a high-vitamin variety
Which biotechnological processes are described in the table?
Which biotechnological processes are described in the table?
Both processes describe cloning.
Both processes describe genetic engineering.
Process 1 describes the cloning and process 2 describes artificial selection.
Process 1 describes the artificial selection and process 2 describes cloning.
How do multicellular organisms get nutrients?
It takes in food from the water and digests it in organelles known as food vacuoles. Nutrients from the food travel through the cytoplasm to the surrounding organelles, helping to keep the cell, and thus the organism, functioning.
Why does parallel flow (concurrent exchange) limit the amount of oxygen that can be extracted from water?
an autoimmune disease characterized by milk-white patches surrounded by areas of normal pigmentation is:
The autoimmune disease you are referring to is likely Vitiligo. It is a skin condition in which the skin loses its pigment, resulting in the appearance of white patches.
What is autoimmune disease?Nobody knows what causes autoimmune disorders. In most situations, a mix of variables is likely at work, such as genes, which may increase your risk of developing the condition. If you have the gene, the environment, such as a virus, can cause the disease (s). A strong immune system protects the body against sickness and infection. However, when the immune system fails, it assaults healthy cells, tissues, and organs. These attacks, known as autoimmune illness, can damage any region of the body, diminishing physical function and potentially becoming life-threatening.
Here,
The patches are surrounded by areas of normal pigmentation and can occur anywhere on the body. Vitiligo is caused by the destruction of melanocytes, the cells responsible for producing pigment in the skin.
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name a plant tissue area that contained proteins that were transferred to the nitrocellulose but did not contain peroxidase
When exposed with the protein blot stain, the cortex, a form of ground tissue, transmits proteins to the nitrocellulose membrane without the action of peroxidase (Ponceaus S).
The main role of peroxidases in plants is to cross-link the phenolic residues of cell wall glycoproteins and polysaccharides to impart stiffness and strength to the cell wall. Furthermore, plant peroxidase was found to be involved in lignification. A technique used to detect peroxidase activity in various regions of plant tissue is known as tissue printing. Most of the peroxidase activity in plant tissues studied by this technique is restricted to regions such as the epidermis, hypodermis, metaxillum, phloem, and mature outer cortical cells. For roots, peroxidase activity was found to be absent in cortical tissue or cortex and meristem regions.
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although they both provide tensile strength and resistance to compression, the extracellular matrix of animals and cell walls of plants differ because the cell walls of plants:
Although both provide tensile strength and resistance to compression, the ECM of animals and cell walls of plants differ because the cell walls of plants: are able to prevent osmotic lysis, are thicker and more rigid.
ECM is the network of macromolecules outside the cells. It is a kind of connective tissue. The composition of ECM consists of glycoproteins like collagen, proteoglycans, and fibronectin. The ECM helps in cell attachment, communication, cell growth, etc.
Cell wall is the outermost layer of cells present in the plant cells. It is a tough and flexible layer. It helps in structural support as well as protection. The cell wall is also involved in building the turgor pressure.
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Are new DNA strands being synthesized in the 5 to 3 direction from their DNA templates?
The new DNA strands are synthesized in the 5' to 3' direction from their DNA templates because the synthesis required a free OH group which is present at the 3'-end of the primer.
DNA stands for Deoxyribonucleic Acid. It is the major form of genetic material that encodes the information for all the traits of the living organism. The structure of DNA is composed of two strands of anti-parallel polarity that are joined together by the hydrogen bonding.
Primers are the small segments of single stranded RNA. These are very essential for the initiation of DNA synthesis because they consist of free 2'-OH group at the 3'-end of the strand. They are about 10-20 bases long.
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A mutation the does not cause a change of an amino acid that has an effect in the function of a protein is said to be a________mutation
A.translocation
B.frameshift
C.silent
D.point
Silent mutation does not cause change of an amino acid which has an effect on the function of protein.
What is mutation?Mutation is a process in which genetic material (DNA or RNA) is altered in some way, resulting in a permanent change to the genetic code. Mutations can be caused by environmental factors such as radiation, or can be inherited or spontaneous. They can result in a variety of changes to the physical characteristics of an organism, including changes to its DNA sequence.
Types of mutations include:
1. Point mutations: A single nucleotide is changed, added, or removed.
2. Insertions and deletions: Multiple nucleotides are added or removed.
3. Frame-shift mutations: A nucleotide is added or removed, resulting in a shift in the reading frame of the genetic code.
4. Chromosomal mutations: A whole chromosome is added or removed.
5. Duplications: A section of DNA is repeated.
6. Inversions: A section of DNA is reversed.
7. Translocations: A section of DNA is moved to a different location in the genome.
8. Silent mutations: A nucleotide is changed, but the resulting protein is the same as the original protein.
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What can fix nitrogen? plants, soil, bacteria, or fire
Answer:
Plants
Explanation:
Bacteria such as rhizobium and certain blue-green algae present in the soil can fix atmospheric nitrogen and convert into usable nitrogenous compounds, which are used by plants for the synthesis of plant proteins and other compounds.
Answer:
Plants can fixe Nitrogen.
Explanation:
Bacteria like rhizobium and certain blue-green algae in the soil can fix the atmospheric nitrogen. They change into usable nitrogenous compounds.
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the categories of biogeochemical cycles include all of the following except: a. hydrologic cycle b. carbon cycle c. nitrogen cycle d. green plant cycle
The categories of biogeochemical cycles include all of the following except green plant cycle
The correct answer is d. green plant cycle.
The categories of biogeochemical cycles include:
a. Hydrologic cycle: This cycle refers to the movement of water through the Earth's systems, including the atmosphere, land, and oceans. Water evaporates from the surface, rises into the atmosphere, condenses to form clouds, and then falls back to the surface as precipitation.
b. Carbon cycle: This cycle refers to the movement of carbon atoms through the Earth's systems, including the atmosphere, oceans, and land. Carbon dioxide is taken up by plants during photosynthesis, and then released back into the atmosphere through respiration, decay, and combustion of fossil fuels.
c. Nitrogen cycle: This cycle refers to the movement of nitrogen atoms through the Earth's systems, including the atmosphere, oceans, and land. Nitrogen is converted into usable forms by bacteria in the soil, and then taken up by plants and animals. After death and decay, nitrogen is returned to the soil where it can be used again.
The "green plant cycle" is not a recognized biogeochemical cycle. Biogeochemical cycles describe the movement of elements and compounds through the Earth's systems, not the processes associated with specific organisms, such as plants.
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Q2.
(2)
The parts of the blood can be separated from each other by spinning the blood in a centrifuge.
The image below shows the separated parts of a 10 cm³ blood sample.
10 cm3
5 cm3
Plasma
-White blood cells and platelets to ha
Red blood cells
7.5cm3
(a) Calculate the percentage of the blood that is made up of plasma.
The percentage of the blood that is made up of plasma is 55%.
What is blood about?A specific type of bodily fluid is blood. Plasma, red blood cells, white blood cells, and platelets make up its four primary parts. Transporting oxygen and nutrients to the lungs and other tissues is just one of the many jobs blood does. clotting blood to stop excessive blood loss Both liquid and solid components make up blood. Water, salts, and protein make up the plasma, which is the liquid portion.
The majority of the blood is plasma. It accounts for more than half (about 55%) of the entire material. Plasma is a pale yellow liquid that forms when the blood is separated from the rest of it. Salts, enzymes, and water are carried by plasma.
An overview was given since the information incomplete.
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2. how are anterior pituitary hormones evaluated? indicate the function tests applicable to this case and whether stimulation/suppression tests would be applicable.
The anterior pituitary hormones are evaluated by the Insulin tolerance test (e.g., alternative method of stimulating growth hormone adrenocorticotropic hormone secretion). The suppression leads to hampering diverse physiological functions such as growth, blood pressure and also reproduction.
What are anterior pituitary hormones?The anterior pituitary hormones are chemical messages secreted by this organ. These hormones include:
Adrenocorticotrophic hormone (ACTH)Thyroid-stimulating hormone (TSH)Melanocyte-stimulating hormone (MSH) and Luteinising hormone (LH)Follicle-stimulating hormone (FSH) and Prolactin (PRL)Growth hormone (GH)
Therefore, with this data, we can see that are secreted by the anterior pituitary hormones and affect different body functions.
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when elaine's hand accidently touched the hot stove, she quickly pulled it away. she didn't even have to think about it; moving her hand seemed to occur automatically. it is unlikely that this could have been possible without the effective operation of which nervous system?
The effective operation of the peripheral nervous system was likely responsible for Elaine quickly pulling her hand away from the hot stove.
The peripheral nervous system is part of the nervous system that lies outside of the brain and spinal cord and includes all of the nerves that control movement and sensation in the limbs and other parts of the body.
When Elaine's hand touched the hot stove, sensory receptors in her skin detected the painful stimulus and sent electrical signals along sensory nerves to the spinal cord. The spinal cord rapidly processed the incoming signals and transmitted a reflex response along motor nerves back to the muscles in Elaine's hand, causing it to pull away from the stove.
This rapid, automatic response is known as the spinal reflex and is a prime example of the peripheral nervous system's ability to control movement and sensation in a quick and efficient manner. This type of reflex response is particularly important for protecting the body from harm and allowing it to respond to environmental stimuli in real-time.
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in image, which diagram of a cell wall possesses lipid a/endotoxin responsible for symptoms associated with infection?
Gram-negative bacteria have the type of cell wall that contains the lipid A/endotoxin that causes infection symptoms.
The crystal violet stain that is utilized in the Gram staining method of bacterial differentiation is not retained by Gram-negative bacteria.
A lipopolysaccharide-based outer membrane and an inner cytoplasmic membrane make up the double-layered cell wall of Gram-negative bacteria. Fever, inflammation, and septic shock are all symptoms of Gram-negative bacterial infections that are caused by the lipid A component of LPS, which is also known as endotoxin.
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(complete question)
In the image, which diagram of a cell wall possesses lipid a/endotoxin responsible for symptoms associated with infection?
some amphibians and crayfish can withstand periods of dryness by burying themselves in mud. in which pond would they survive best?
Some amphibians and crayfish can withstand periods of dryness by burying themselves in mud in pond that has muddy or silty areas
Amphibians and crayfish that can survive periods of dryness by burying themselves in mud would likely survive best in a pond that has muddy or silty areas, where they can burrow into the sediment to escape from drying conditions.
In order for these animals to survive, the pond should have sufficient mud or silt deposits that are moist and provide protection from desiccation. Additionally, the pond should not be too deep, as amphibians and crayfish need to be able to reach the surface to breathe air. The water level in the pond should also be stable, so that the animals do not become exposed during periods of low water.
It's important to note that while these animals can withstand periods of dryness, they still require a source of water to survive and breed, so a pond with consistent water supply would be ideal for their survival.
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the upper-right abdominopelvic located beside the epigastric region: group of answer choices right inguinal region right lumbar region umbilical region right hypochondriac region hypogastric region
The upper right abdominopelvic that located beside the epigastric region is hypochondriac region (option 4)
The two superolateral sections of the abdomen that are located on either side of the epigastric region are known as the hypochondriac regions. The word "chondriac" means cartilage and refers to the cartilage of the ribs. The prefix "hypo" means below or under. Consequently, the hypochondriac area is found below the ribs. Two upper, right and left, zones that cross the abdomen and are below the rib cartilage. the area above the stomach, or epigastric. Two middle, right and left sections of the back, close to the waist. region around the umbilicus or navel.
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jerome also had blood work done to confirm the mi. the presence of troponin, or cardiac enzymes such as ck-mb, are a positive indicator of an mi. why is their presence at higher levels in the blood indicative of an mi?
These proteins are normally found inside cardiac muscle cells and if present in the blood indicate damage to the cells.
Cardiac enzyme studies measure the levels of enzymes and proteins that are linked with injury of the heart muscle. These include the enzyme creatine kinase (CK), and the proteins troponin I (TnI) and troponin T (TnT). Low levels of these enzymes and proteins are normally found in our blood, but if our heart muscle is injured, such as from a heart attack, the enzymes and proteins leak out of damaged heart muscle cells, and their levels in the bloodstream rise.
Thus, these proteins are normally found inside cardiac muscle cells and if present in the blood indicate damage to the cells.
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can someone help me with this please and thank you
what does it mean by antibiotic resistant bacteria?
Antibiotic-resistant bacteria means when bаcteriа chаnge so thаt аntibiotic medicines cаn't kill them or stop their growth.
Аntibiotics аre medicines used to prevent аnd treаt bаcteriаl infections. Аntibiotic resistаnce occurs when bаcteriа chаnge in response to the use of these medicines. Overuse of аntibiotics is creаting stronger germs. Some bаcteriа аre аlreаdy "resistаnt" to common аntibiotics. When bаcteriа become resistаnt to аntibiotics, it is often hаrder аnd more expensive to treаt the infection.
Losing the аbility to treаt serious bаcteriаl infections is а mаjor threаt to public heаlth. Аntibiotics аre designed to fight bаcteriа by tаrgeting specific pаrts of the bаcteriа’s structure or cellulаr mаchinery.
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Proposes that pitch is decoded by firing frequency of hair cells on the basilar membrane is called: _________
Answer:
it’s S
Explanation:
some covid19 viral particles can infect human host cells faster than other covid19 viral particles which requirement of natural selection does this correspond to
The name "corona" comes from the Latin word for "crown," and coronaviruses (CoVs) are positive-stranded RNA(+ssRNA) viruses that resemble a crown when viewed under an electron microscope.
This is because the envelopes of these viruses include spike glycoproteins. SARS-CoV-2 virus-borne coronavirus disease (COVID-19) is an infectious illness. Most infected individuals may only experience mild to moderate respiratory symptoms and will recover without the need for special care.After replication and sub-genomic RNA synthesis, the structural proteins S, E, and M of the virus are translated and placed into the endoplasmic reticulum (ER). The secretory route transports these proteins to the ERGIC, or endoplasmic reticulum-Golgi intermediate compartment (135, 136).
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some caddisfly larvae make cases to live in and some make nets to catch prey in the water. group of answer choices true false
some caddisfly larvae make cases to live in and some make nets to catch prey in the water is true.
Trichoptera, an order of aquatic insects, includes caddisfly larvae. To shield themselves from predators and create a stable environment for their growth, certain species of caddisfly larvae build cases around their bodies. Sand, gravel, twigs, leaves, silk, and other materials can all be used to create these cases.
Other caddisfly larvae species make nets out of silk that they use to catch small aquatic critters for sustenance. The caddisfly larva waits inside these nets, which are often fastened to a solid substrate like rocks or plants, waiting for food to become trapped.
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Someone helpp me rq on question 7 pls
Organisms are able to interact with each other in a way that keeps the ecosystem going.
What are ecological interactions among organisms?Ecological interactions among organisms refer to the ways in which different species in an ecosystem interact with each other and with their physical environment. These interactions can be grouped into several categories, including:
Predation: One organism (the predator) kills and eats another organism (the prey).
Herbivory: An organism (the herbivore) feeds on plants.
Competition: Two or more organisms compete for the same limited resources such as food, water, or mates.
Mutualism: A relationship in which both species benefit from their interaction with each other.
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which of these processes results in cells losing their potential to become any type of cell?
These processes results in cells losing their potential to become any type of cell is cell determination.
The cell is the smallest unit of living things. Cells can change in their development to become any more specialized cells such as differentiation of stem cells into skin epithelial cells. However, cells can also lose this differentiation ability.
Determination is a slow process, the potential of a cell is progressively restricted as it develops, and defined states can be inherited through somatic cell division. As the embryo grows, determination causes cells to commit to a certain developmental fate and not to differentiate into different cell forms. This relates to the different selected gene subsets for gene expression in embryonic cells which ultimately limit the cell.
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The heart is housed within the mediastinum and rests on the , a muscle. diaphragm.
The heart is housed within the mediastinum and rests on the diaphragm.
Position of the heаrt in the thorаx. The heаrt lies in the protective thorаx, posterior to the sternum аnd costаl cаrtilаges, аnd rests on the superior surfаce of the diаphrаgm. The heаrt аssumes аn oblique position in the thorаx, with two-thirds to the left of the midline. It is locаted between the two lungs, which occupy the lаterаl spаces cаlled the pleurаl cаvities. The spаce between these two cаvities is referred to аs the mediаstinum. The heаrt lies obliquely in а division of this spаce, the middle mediаstinum, surrounded by the pericаrdium.
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what effect do steroids have on the healing process? group of answer choices speeds up primary union speeds up healing inhibits healing no effect
Steroids, also known as corticosteroids, have a complex effect on the healing process. While they can have some benefits, they can also have some negative effects. Here option C is the correct answer.
Speeds up the primary union are partially true. Steroids have been shown to have a positive effect on the formation of a primary union, or the initial stage of healing, by reducing inflammation and swelling. This can help to reduce pain and increase mobility in the affected area.
Speeds-up healing is also partially true. Steroids can help to reduce inflammation and swelling, which can in turn speed up the overall healing process.
Inhibits healing is also partially true. While steroids can have some positive effects on the healing process in the short term, long-term use of steroids can have a negative effect on the healing process. Steroids can interfere with the production of new cells and tissues, which is necessary for the body to repair and heal itself.
Overall, the effect of steroids on the healing process is complex and depends on the duration and dose of the steroid treatment, as well as the underlying health of the individual. While steroids can have some positive effects in the short term, they should be used with caution and under the guidance of a healthcare professional.
Complete question:
What effect do steroids have on the healing process? group of answer choices
A - speeds up primary union
B - speeds up healing
C - inhibits healing with no effect
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How do the pythons affect the population of the other predators, such as bobcats and alligators?
Answer:Pythons cause significant impacts to native prey, such as marsh rabbits, deer, wading birds and even alligators. Their aggressive predation on native wildlife robs native predators, such as panthers, raptors, alligators, and bobcats of their primary food sources.
f
Which of these responses is NOT a response consistent with a drop in mean arterial pressure?increased thirstsecretion of aldosteronerelease of renin from the kidneysincreased filtration by the kidneys
Option 4) ,increased filtration by the kidneys is NOT a consistent with a drop in mean arterial pressure.
A blood pressure of less than 120/80 mmHg is considered normal. No of your age, you may make a daily effort to maintain a healthy blood pressure range.
Systemic arterial pressure, sometimes known as "blood pressure," is the term used to describe the pressure measured in the systemic circulation's big arteries in an individual. Systolic and diastolic blood pressure are separated by this value.
What is an arterial normal flow?The fast antegrade flow peaks during the systole, there is a brief reversal of flow during the early diastole, and there is sluggish antegrade flow during the late diastole. These three components make up the typical ("triphasic") Doppler velocity waveform.
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Full Question: Which of these responses is NOT a response consistent with a drop in mean arterial pressure?
increased thirstsecretion of aldosteronerelease of renin from the kidneysincreased filtration by the kidneysIndividuals that are better suited to their environments are more likely to survive and reproduce. This is the basis of what theory?
The theory that individuals that are better suited to their environments are more likely to survive and reproduce is the basis of Charles Darwin's theory of evolution by natural selection.
Natural selection, or evolution, is a theory put out by Charles Darwin to explain how species of plants and animals evolve over time.
It says that:
There is diversity within a species, which means that individuals within a species have unique traits and qualities.For survival and reproduction, some of these features are beneficial or useful, while others are not.A species' members who possess beneficial features are more likely to live longer, breed, and pass those traits on to their progeny.Over several generations, desirable qualities become more prevalent in the population while unfavorable features become less prevalent.As features evolve over time, new species emerge as descendants of one species diverge from their ancestors to the point that they are no longer compatible for mating.Learn more about Charles Darwin's theories here:
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