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butalik [34]
3 years ago
11

15 POINTS!! What is the purpose of a dichotomous key? (Select all that apply.)

Biology
1 answer:
postnew [5]3 years ago
3 0

The purpose of a dichotomous key is to identify organisms

Explanation:

A dichotomous key is a kind of a tool that guides to classify and identify different organisms.

This key as the name indicates - dichotomous- consists of two parts or options to identify a species.

The method utilizes a series of questions/answers with two possible outcomes.

Taxonomically, a dichotomous key is used to basically identify a species or an organism by its scientific name.

All of the natural elements like the plants, animals, birds, etc are identified using this key.

Types of dichotomous key includes nested, linked, branching tree etc.

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The correct option is (D) Nucleotide variability and average heterozygosity

The higher the proportion of loci that are "fixed" in a population, the lower are that population's nucleotide variability and average heterozygosity.

<h3>What does it indicate when a gene in a population is fixed?</h3>
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