In areas that receive high amounts of uv light, what could light-skinned people do to increase their fitness?

1 answer:

8 0

Melanin helps protect the body from the sun's radiation. Since light skinned people have less melanin so, they have less protection. Less protection can lead easily to skin cancer making the person less fit to the environment.
To avoid that, they should use solar protector in areas that receive high amounts of UV light.

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Cell respiration begins with

irinina [24]

Answer:

Cell respiration begins with Glycolysis .

Explanation:

Glycolysis is the first and initial step in the cellular respiration. Cellular respiration is the anaerobic process, which takes place in cytosol of the cells. Two molecule of pyruvate(CH3COCOO-) are formed from 1 molecule of glucose(C6H12O6)through glycolysis. The NADH and ATP are high energy molecules formed when the free energy are released. It is the process which takes place through a series of ten enzyme catalysed reactions. 10 enzymes are required to break down the sugar molecule. It occurs in cytoplasm.

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3 years ago

Which organ do you feel is most important to the digestive process? Why?

il63 [147K]

Answer:

Intestines

Explanation:because if you don't have them then you will not survive because you need them to go number one and number two if youndont then you will blow up your belly.

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4 years ago

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Choose "innate" if the behavior is an innate behavioral adaptation and "learned" if it is a learned behavioral adaptation.

harkovskaia [24]

Chicks hatching from eggs is an innate behavior. Innate behavioral adaptations are the result of millions of years of evolution. This type of behavior is already "hard-wired" in the nervous system of organisms and is usually inflexible. This is where a certain given stimulus triggers the exact same response over particular organisms through time. The same adaptation goes for other species that are naturally inclined to walk hours after their birth, like giraffes and elephants do. It is in a way nature's natural adaptation for species to survive through the course of time.

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4 years ago

Which of the following statements is correct? Which of the following statements is correct? The sperm and egg have twice as many

Triss [41]

Answer:

Meiosis results in gametes that are used in reproduction.

Explanation:

The sperm and egg have twice as many chromosomes as the parental cells. INCORRECT. Sperm and eggs are the gametes, and they have only half the number of chromosomes that can be found in the germ cells or somatic cells. Gametes are haploid, n.
Geneticists use the terms "son" and "daughter" to distinguish between cells resulting from cell division. INCORRECT. The term "daughter cells" is used to refer to the products of cell division. "son cells" is not used at all.
Meiosis results in gametes that are used in reproduction. CORRECT. Germ cells are the reproductive, diploid cells produced by testes and ovaries. After meiosis, each germ cell produces four haploid cells that are the gametes. Gametes´ destiny is to merge during fecundation, creating a new diploid cell called the zygote. The zygote is a diploid cell that suffers successive mitosis to form the new organism.
Asexual reproduction requires the production of eggs and sperm. INCORRECT. Only sexual reproduction needs gametes. Cells that reproduce asexually duplicate their genetic material and cytoplasmic content and then divide, producing a new cell identical to its parental. This is the case of binary fission, for example.

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3 years ago

Imagine that beak color in a finch species is controlled by a single gene. You mate a finch homozygous for orange (pigmented) be

AURORKA [14]

Answer:

A) incomplete dominance.

Explanation:

It is a clear case of incomplete dominance. This kind of inheritance shows deviation from Mendel's popular law of genetics which is known as "Law of Dominance". This law states that when two pure breeding parents i.e. homozygous dominant and homozygous recessive are mated then all their off-springs are genotypically heterozygous but phenotypically they all show dominant trait. But in incomplete dominance, the dominant allele is unable to mask the expression of recessive allele completely which leads to a phenotype which is a blend of both the traits.

In the example, orange beak is unable to mask the expression of ivory beak completely as a result of which all the off-springs have an intermediate trait which is pale, ivory-orange beak.

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4 years ago