what are the most important factors influencing hair growth? what are the most important factors influencing hair growth? nutrition and hormones the size and number of hair follicles sex and hormones age and glandular products
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The most important factors influencing hair growth are nutrition, hormones, the size and number of hair follicles, sex and hormones, age, and glandular products
Nutrition plays a vital role in hair growth. A balanced diet containing protein, vitamins, and minerals provides the necessary nutrients for hair growth. Hormones also affect hair growth. Androgens, for example, promote hair growth in men, while estrogen promotes hair growth in women.The size and number of hair follicles also determine hair growth. People with a larger number of hair follicles tend to have thicker and denser hair.
Sex and hormones also play a role in hair growth. Men typically have thicker and denser hair than women due to higher levels of androgens. Age and glandular products also influence hair growth. As people age, the rate of hair growth decreases due to a decrease in hormone levels. Glandular products, such as thyroid hormones, can also affect hair growth. So therefore hair growth is influenced by several factors including nutrition, hormones, the size and number of hair follicles, sex and hormones, age, and glandular products.
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The most important factors influencing hair growth include nutrition and hormones, the size and number of hair follicles, sex and hormones, and age and glandular products.
Explanation:Hair growth is influenced by various factors. The most important factors include nutrition and hormones, the size and number of hair follicles, sex and hormones, and age and glandular products. Nutrition plays a significant role in hair growth as a balanced diet rich in vitamins and minerals is essential for healthy hair. Hormones, such as testosterone and estrogen, also have a major impact on hair growth. Additionally, the size and number of hair follicles, which are determined by genetics, affect the overall thickness and density of hair. Sex hormones, including androgens, have a direct influence on hair growth patterns. Finally, the aging process and glandular products produced by the body can affect hair growth and lead to changes in hair quality and quantity.
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Related Questions
which of these is not an example of a parenchyma cell?a) cells that can form clones in tissue culture of plantsb) support cells near the outside of nonwoody stemsc) edible cells in fruits and vegetablesd) tissue in leaves that photosynthesizes
Answers
The answer is b) support cells near the outside of nonwoody stems. These cells are typically collenchyma cells or sclerenchyma cells, which are specialized cells for support and structure rather than being parenchyma cells.
The other options are examples of parenchyma cells: a) cells that can form clones in tissue culture of plants are usually parenchyma cells with the ability to divide and differentiate into different cell types; c) edible cells in fruits and vegetables are usually parenchyma cells that store nutrients; and d) tissue in leaves that photosynthesizes is typically composed of parenchyma cells called mesophyll cells.
The option that is not an example of a parenchyma cell is: b) support cells near the outside of nonwoody stems. These are likely to be collenchyma cells, which provide structural support to plant tissues. Parenchyma cells, on the other hand, are versatile and can be involved in tissue culture (a), found in edible parts of fruits and vegetables (c), and participate in photosynthesis in leaves (d).
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within in a forest that is near a city that has a few large waste incinerators and other industrial utilities, ecologists investigating long-term changes find decreased biodiversity among species, along with decreased growth and reproductive health. which air pollutant would the ecologists most likely suspect is responsible? lead carbon monoxide ozone particulate matter
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In the forest that is near a city that has several large waste incinerators and other industrial utilities, the ecologists investigating long-term changes have found decreased biodiversity among species. Along with decreased growth and reproductive health, they would most likely suspect that particulate matter is responsible.
What is Particulate Matter Particulate matter is a type of air pollution. It consists of tiny particles of solids or liquids that float in the air. These tiny particles are often microscopic and cannot be seen without the aid of a microscope. Particulate matter is formed when the exhaust from industrial factories, power plants, and other sources combine with the air.
Particulate matter is categorized by size. The size is significant because it influences the ability of the particles to remain in the air and the location in the body they will be deposited. Larger particles settle out of the air quickly, while smaller particles can remain in the air for long periods. Larger particles are deposited in the nose and throat, whereas smaller particles are more likely to be deposited in the lungs.
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Which event came first? The age of reptiles Amphibians leave the water Trilobites are one of the dominant species on Earth Early humans arise on Earth
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Answer:
Trilobites are one of the dominant species on Earth
We know it's not D, the age of reptiles was just a "wee" bit before humans, and amphibians came after trilobites.
Answer
F1 development of the ozone layer
S2 sharks and trilobites abundant in oceans
T3 plants and animals colonize land
F4 dominance of reptiles >> dominance of mammals
Dendrotoxins, produced by the mamba snakes (Dendroaspis), are inhibitors of the voltage-gated K channels. What phase of the action potential would this toxin affect
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he dendrotoxins produced by the mamba snakes (Dendroaspis) affect the repolarization phase of the action potential. Dendrotoxins are peptides that are isolated from the venom of mamba snakes. These toxins are potent blockers of voltage-gated potassium channels.
Voltage-gated potassium channels are responsible for the repolarization phase of the action potential. They allow the flow of potassium ions out of the cell, thereby returning the membrane potential to its resting state. In the presence of dendrotoxins, the potassium channels are blocked, and the flow of potassium ions is reduced.
This causes the repolarization phase to be delayed or prevented altogether, leading to prolonged depolarization and a prolonged action potential. This can result in a variety of symptoms, including muscle paralysis, respiratory failure, and even death.
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factor(s) responsible for il-2 transcription during t cell activation nf-kb, ap-1, and nfat
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The factors responsible for IL-2 transcription during T cell activation include NF-κB, AP-1, and NFAT.
IL-2 (Interleukin-2) is an important cytokine involved in T cell activation and proliferation. The transcription of IL-2 is regulated by various factors, including NF-κB (Nuclear Factor-κB), AP-1 (Activator Protein-1), and NFAT (Nuclear Factor of Activated T cells).
1. NF-κB: NF-κB is a transcription factor that plays a central role in the immune response. It is activated by various stimuli, including T cell receptor signaling. Upon T cell activation, NF-κB translocates to the nucleus and binds to specific DNA sequences in the IL-2 gene promoter region, thereby initiating IL-2 transcription.
2. AP-1: AP-1 is another transcription factor complex involved in IL-2 gene regulation. It is composed of proteins from the Fos and Jun families. T cell activation leads to the activation of AP-1 through signaling pathways such as the MAPK (Mitogen-Activated Protein Kinase) pathway. AP-1 binds to specific DNA sequences in the IL-2 gene promoter region, promoting IL-2 transcription.
3. NFAT: NFAT is a family of transcription factors that translocate to the nucleus upon T cell activation. NFAT activation occurs through the calcium-dependent signaling pathway. Once in the nucleus, NFAT binds to specific DNA sequences in the IL-2 gene promoter region and cooperates with other transcription factors, including NF-κB and AP-1, to enhance IL-2 transcription.
The coordinated action of NF-κB, AP-1, and NFAT ensures the transcriptional activation of the IL-2 gene during T cell activation, leading to the production of IL-2 cytokine, which is critical for the immune response and regulation of T cell functions.
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HELPPPP plz whats the answer or at I correct and explain
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the history of earth is divided into eons, eras, periods, and epochs, as shown in this diagram depicting the evolution of life. match each era to the correct portion on the ribbon.
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Here's the correct match for each era in the history of earth:
Paleozoic Era: Lasted from 541 to 252 million years ago (mya).
The Mesozoic Era: extended from 252 till 66 million years ago.
Cenozoic Era: commenced approximately 66 million years ago.
Paleozoic Era: Lasted from 541 to 252 million years ago (mya). This era is characterized by the appearance and diversification of a wide range of life forms. During this period, the earliest occurrences of fish, reptiles, and insects took place.
Mesozoic Era: Lasted from 252 to 66 mya. Dinosaurs emerged, thrived, and eventually became extinct during this era. It is often referred to as the "Age of Reptiles."
The Cenozoic Era: commenced approximately 66 million years ago and has persisted until the present era.This era is further divided into epochs. The Holocene epoch, which started about 11,700 years ago, is the current epoch we are experiencing. The Cenozoic era is characterized by the rise and flourishing of mammals, including primates (such as humans).
The question should be:
the history of earth is divided into eons, eras, periods, and epochs, as shown in this diagram depicting the evolution of life. match each era to the correct portion on the ribbon.
Paleozoic Era: commenced approximately 66 million years ago.
Mesozoic Era: extended from 252 till 66 million years ago.
Cenozoic Era: Lasted from 541 to 252 million years ago (mya).
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Plants take in nitrogen by absorbing:
A. nitrogen molecules with sunlight during photosynthesis.
B. nitrogen gas from the air through their stomata.
C. nitrogen-containing macromolecules made by other organisms.
D. nitrogen-containing compounds made by bacteria from the soil.
Answers
Answer:
D
Explanation:
Plants take their nitrogen from the soil which would have been converted by bacteria ...not straight from the atmosphere
Why did DNA technology lead to more use of cladistics?
A. It showed that gene flow happens between populations.
B. It showed that the Linnaean system was very accurate
C. It showed that different-looking animals are actually related.
D. It showed that most traits result from genetic drift
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The answer to the question is option C: It showed that different-looking animals are actually related.
DNA technology has revolutionized the way scientists study and understand evolutionary relationships among living organisms. It has led to the widespread use of cladistics, a method of classification based on the evolutionary history of organisms.
Cladistics relies heavily on genetic data, including DNA sequences, to determine the relationships between organisms. The use of DNA technology has allowed scientists to compare the genetic material of different organisms and determine their degree of relatedness. This has led to the discovery that many organisms that appear different on the surface are actually closely related genetically.
As a result, cladistics has become an increasingly important tool for understanding evolutionary relationships among organisms.
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You have joined a fraternal ecological organization with an unusual initiation ritual. They drop you off in a distant biome with limited supplies and you must camp there for two days, study the biome and give a presentation at the first meeting of the organization. You find yourself in a warm area dominated by evergreen shrubs that seem to grow more in the wetter winter months than in the summer. You also notice evidence of fires in the area. The title of your presentation could be __________.
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"The Dynamic Ecology of a Mediterranean Shrubland: Adaptations to Seasonal Changes and Fire Regimes"
The title of your presentation could be "The Dynamic Ecology of a Mediterranean Shrubland: Adaptations to Seasonal Changes and Fire Regimes." This title highlights the key characteristics and ecological dynamics of the biome you are studying.
The warm area dominated by evergreen shrubs indicates that you are in a Mediterranean-type ecosystem. These regions experience distinct wet and dry seasons, with the shrubs exhibiting more growth during the wetter winter months. This adaptation allows them to take advantage of the seasonal rainfall and maximize their growth and reproductive potential.
Furthermore, the presence of evidence of fires in the area suggests that fire is an important ecological process in this biome. Mediterranean shrublands have evolved to cope with and even benefit from periodic fires.
They have various adaptations such as fire-resistant bark, serotinous cones or seeds that require fire for germination, or resprouting from underground structures after fire.
In your presentation, you can explore the ecological strategies of the evergreen shrubs, their adaptations to seasonal changes, and their interactions with fire regimes.
You can discuss the role of fire in maintaining biodiversity, nutrient cycling, and shaping the structure and composition of the shrubland community. Additionally, you can explore conservation and management considerations for this unique and dynamic ecosystem.
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This assignment should be completed before entering lab. This assignment is beginning of the lab session. Use BioFlix Tutorial for Chapter 8 to complete th 1、 The graph presents thre activation energy profiles for a chemical reaction (the hydrolysis of sucrose): an uncatalyzed reaction, and the same reaction catalyzed by two different enzymes Activation Energy Uncatalyzed Enzyme A Enzyme 8 Reaction Progress Rank these by reaction rate, as measured by the rate of product formation per unit time, from lowest reaction rate to highest reaction rate. a. Reaction catalyzed with enzyme A, b. Reaction catalyzed with enzyme B, c. Uncatalyzed reaction Enzyme #1 (lowest reaction rate): #2: Speeifie- Active site Denatured- Catalyst Cemplex- #3 (highest reaction rate): 2. Fill in the blank using the word bank provided. a. An enzyme is Denahaxed when it loses its native conformation and its biological b. An enzyme is considered a c. An enzyme is considered Secse because of its ability to recognize the shape of d. When properly aligned, the enzyme and substrate form an enzyme-substrate (ES) e. A substrate binds to an enzyme at the Ache sik where the reaction occurs. f. In a catalyzed reaction a reactant is often called a Sunshnte activity without being used up. a particular molecule. because it speeds up chemical reactions 35
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The correct order of reaction rate from lowest to highest is Uncatalyzed reaction, Reaction catalyzed with enzyme A, Reaction catalyzed with enzyme B.
1. The graph presents three activation energy profiles for a chemical reaction (the hydrolysis of sucrose):
an uncatalyzed reaction, and the same reaction catalyzed by two different enzymes. Rank these by reaction rate, as measured by the rate of product formation per unit time, from lowest reaction rate to the highest reaction rate.a. Uncatalyzed reaction
b. Reaction catalyzed with enzyme A
c. Reaction catalyzed with enzyme B
The correct order of reaction rate from lowest to highest is: Uncatalyzed reaction, Reaction catalyzed with enzyme A, Reaction catalyzed with enzyme B.
2.
a. An enzyme is Denatured when it loses its native conformation and its biological activity.
b. An enzyme is considered a Catalyst because of its ability to recognize the shape of a particular molecule.
c. An enzyme is considered Specific because of its ability to recognize the shape of a particular molecule.
d. When properly aligned, the enzyme and substrate form an enzyme-substrate (ES) complex.
e. A substrate binds to an enzyme at the Active site where the reaction occurs.
f. In a catalyzed reaction, a reactant is often called a Substrate because it speeds up chemical reactions without being used up.
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HELP PLEASE!!!!!!!!!!!!!!!!
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Answer:
Sandatone-1
Igneous Rocks-4
Shale-2
Limestone-3
Explanation:
PLEASE HELLP ILL MARK YOU BRAINLIST
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the answer would be D both parents must have at least one copy of the recessive PKU gene
describe the role of a sperms acrosome in fertilisation
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Answer: Enables the spermatozoa to penetrate the ova
Explanation: It contains certain digestive enzymes (hydrolytic enzymes) that helps the sperm to tunnel through the zona pellucida of the ova. It mediates the union and binding of the membrane with the egg.
In order to see cells clearly in a section of plant tissue, which magnification would you have to use? А x5
B x 10
С X100
D X1000
Answers
Ratio
L guess you idiot
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Communicate Schreiber’s bats are cave dwellers. As towns and cities expand, the natural habitat is sometimes destroyed. Think of the kind of environment a cave provides. What recommendations would you make to expanding urban areas to protect the numbers of Schreiber’s bats living close by?
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Caves provide a cool, dark, and moist environment with high humidity.
What do you mean by caves?
Caves are natural openings in the earth's surface, typically large enough for a human to enter. They are formed by erosion, weathering, and other geological processes. Caves can be found in most parts of the world, and some are even home to rare and endangered species.
My recommendations :
1. Establish protected areas, such as greenbelts, in and around urban areas where Schreiber’s bats can live and breed undisturbed.
2. Create artificial bat roosts or underground tunnels that provide a safe environment for the bats.
3. Monitor and limit human activity in areas where Schreiber’s bats are known to live, such as loud noise or bright lights.
4. Encourage the use of natural building materials such as stone and wood, which are better suited to providing shelter for the bats.
5. Install bat boxes in urban areas to provide additional roosting sites for them.
6. Plant more trees and shrubs in urban areas to provide food and shelter for Schreiber’s bats.
7. Educate the public about the importance of Schreiber’s bats and how they can help protect them.
Bats thrive in this type of environment, as they are nocturnal animals that roost during the day and come out at night to feed. Unfortunately, as towns and cities expand, natural caves are often destroyed or altered, leaving the bats without a suitable habitat. It is important that we protect the natural habitats of Schreiber's bats to ensure their survival.
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Where do carnivorous plants typically exist? a. In areas with limited carbon dioxide
b. In areas with inadequate amounts of soil
c. In areas with adequate amounts of soil
d. In areas with limited oxygen
e. In areas with limited nitrogen
f. In areas with little water
Answers
Answer:
So it would be B since the areas have inadequate amounts of soil.
Explanation:
The habitats of carnivorous plants are varied but usually involve wet, low-nutrient sites including bogs, swamps, waterbodies, watercourses, forests and sandy or rocky sites.
potato, bread, rice, and other grains are examples of what category of classic cold pantry ingredients?
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Potato, bread, rice as well as other grains are categorized as cold starches under classic cold pantry ingredients.
Garde manger is classically used to point out the variety of foods that are prepared in the cold kitchen. However, it may also refer to the person or cook who manages the cold food in the kitchen as well as the premises where cold food is prepared. Classic cold pantry ingredients can be categorized as:-
Cold starches- They include Potato, bread, rice as well as other grainsCold meats like ham, sausages, salami, etc.Dairy- It includes milk, butter, cheese, yogurt, etc.Fruits like strawberries, grapes, bananas, etc.Salad vegetables such as lettuce, tomatoes, etc.Cold desserts like ice-creamFresh herbs such as thyme, basil, etc.To learn more about grains here
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Anabolic pathways have which of the following characteristics? Select all that apply. O They are usually spontaneous chemical reactions O They decrease the entropy of the organism and its environment. O They consume energy to build up polymers from monomers. O They release energy by degrading polymers to monomers
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Anabolic pathways have which of the following characteristics:
They decrease the entropy of the organism and its environment.They consume energy to build up polymers from monomers.Anabolism is the process of synthesizing small chemical molecules into larger molecules while catabolism is the process of breaking down large molecules into smaller molecules.
Anabolic reactions reduce the entropy of the environment and organisms, whereas catabolic reactions increase the entropy of the environment and organisms.
Anabolic reactions help make polymers so energy is needed. Catabolic reactions are the opposite of anabolic reactions, i.e. produce monomers from polymers, which produce energy.
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ANYONE PLEASE HELPPP
DUE TODAY :///
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Answer:
correct answer is option c
Any description or quality that an object has is called a?
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Answer:
veritable
Explanation:
Summarize what is the difference between a population and a community?
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Answer:
A Population is group of organisms of the SAME species living in the same area at the same time and sharing a common gene pool. ... In ecology, the term Community refers to the populations of animals and plants that live within a specific region under similar environmental conditions.
Isotopes are forms of the same element that have a different number or protons.
TRUE or FALSE ?
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Answer:
false Isotopes. An isotope is one of two or more forms of the same chemical element. Different isotopes of an element have the same number of protons in the nucleus, giving them the same atomic number, but a different number of neutrons giving each elemental isotope a different atomic weight.
Explanation:
I am unpredictable as I change myself in a short time span.
Answers
Answer:
Weather
Explanation:
Weather is the the state of the atmosphere at a particular place and time as regards heat, cloudiness, dryness, sunshine, wind, rain, etc.
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When tulips bloom, they are attempting to pollinate using the process of meiosis which part of tulip is related to meiosis? Why do tulips need to under go meiosis?
Answers
Answer:
The correct answer is - pistil and stamen.
Explanation:
Meiosis is the type of cell division that takes place only to produce gametes that are megaspore and microspore, in sex cells of the flowering plant. In tulip and other similar flowering plants have ovary at the base of the pistil that contains and produced megaspore (female spores) by meiosis.
Similarly, anthers in the stamen of the tulip flower produce male spores called microspores and contain. Meiosis is essential in sexual reproduction to ensure that each cell has the correct number of chromosomes and responsible for recombination.
During pollination Tulip under meiosis in other to produce the required gametes needed for sexual reproduction. The parts of the Tulip that contains the megaspore and microspore gametes are :
Pistil : The ovary that produces and stores the female spores via meiosis is located at the base Stamen : The anthers which produces the male spores via meiosis is located at the stamen.Also Tulips undergo meiosis to ensure that the cells have the accurate number of chromosomes that is to be used for recombination.
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If a keystone species were removed from an ecosystem, what magnitude of a change would this cause?
Answers:
A. zero magnitude
B. negative magnitude
C. high magnitude
D. low magnitude
Answers
Answer: High Magnitude
Explanation:
To put it simply, Key stones are very important in an ecosystem. Therefore; the balance in the ecosystem is ruined and other organisms are threatened to the point of extinction. Keystone species have a disproportionate impact on their ecosystems and if they were removed, an ecosystem would changed dramatically. To put it even more clearly, keystone species hold entire ecosystems together!!
PLEASE HELP!!
How does Pavan believe we should think about the value of a mangrove tree?
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Answer:
who is pavan. value???
Explanation:
In the United States, the parasite that causes malaria is not present, but African-Americans whose ancestors were from equatorial Africa are present. What should be happening to the sickle-cell allele in the United States, and what should be happening to it in equatorial Africa?
A) stabilizing selection; disruptive selection
B) disruptive selection; stabilizing selection
C) disruptive selection; directional selection
D) directional selection; disruptive selection
E) directional selection; stabilizing selection
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competition occurs between individuals of same species via aggression etc. when the individuals interfere with foraging, survival, reproduction of others, or by directly preventing their physical establishment in a portion of the habitat.
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Interference competition takes place between individuals of equal species via aggression and so forth. whilst the individuals intrude with the foraging, survival, and replica of others, or via at once preventing their bodily establishment in a part of the habitat.
Whilst one organism bodily restricts any other organism's get entry to assets, it's far known as 'interference opposition'. Interference opposition is not unusual in animals such as songbirds, which preserve one-of-a-kind spatial territories with the aid of vocalizations.
Interference competition is an indirect impact that occurs thru the use of a shared aid and relies upon useful resource availability. Interference competition occurs by means of obstructing get entry to a resource and won't rely upon useful resource availability.
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______________ Is a contributing mechanism that works with natural selection by creating combinations of genes that nature selects for or against.RecombinationMutationChromosomeAllele
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Of these terms, the one which is a contributing mechanism in the natural selection is mutation, since this is an alteration of a specific fragment of DNA that can produce an organism to have in advantage or in disvantage with regard to other species.