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Dmitrij [34]
2 years ago
9

What is the best defenition of bias

Biology
1 answer:
agasfer [191]2 years ago
8 0
Any factor that causes distortion of genetic predictions.
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The Pingelapese people of the East Caroline Islands are descended from 20 survivors of a typhoon and subsequent famine in 1775.
vekshin1

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a. bottleneck effect.

Explanation:

A bottleneck effect occurs when some adverse environmental conditions such as typhoons and famine reduce the population size considerably. The allele frequencies of the population are changed. As the population grows again, the gene pool has different allele frequencies than the original population. During population growth, some harmful alleles may become more abundant resulting in a rare disease such as achromatopsia. Therefore, the given population represents the bottleneck effect.

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2 years ago
We should conserve environment give reason​
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3 years ago
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In a species of snail, dark-shelled individuals are better hidden from bird predators in the shady forest, while light-shelled i
Harrizon [31]

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C. Disruptive Selection

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The extremes of continuous variation exhibited in this species of snail is the color of their shell which allows them to blend with the background of their habitat.  

The shady forest of the habitat makes the dark-shelled individuals to be better hidden from bird predators, while the light-shelled individuals are better hidden in well-lit brushy edge areas. This disruptive coloration exhibited by both individuals makes both individuals of this species of snail less vulnerable to predation.  

Both individuals of this species both extremities would naturally survive in this habitat as snails with intermediate extremities would be highly preyed on since there is no area of intermediate brightness in the habitat to make them invisible to predators

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Ecological succession
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The first organisms to appear in an area undergoing succession are known as the pioneer species. These organisms lead to a more biodiverse steady-state ecosystem.
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