In This Figure,what Is the Best Description for What Is

question 50

Multiple Choice

In this figure,what is the best description for what is occurring?

• A)vertebrate hair cell exposed to low frequency
• B)vertebrate photoreceptor exposed to light
• C)invertebrate photoreceptor exposed to light
• D)vertebrate photoreceptor in the dark
• E)invertebrate photoreceptor in the dark

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Definitions:

Disruptive Selection

Outcome of natural selection in which the two extreme phenotypes are favored over the average phenotype, leading to more than one distinct form.

Directional Selection

Outcome of natural selection in which an extreme phenotype is favored, usually in a changing environment.

Cladogram

In cladistics, a branching diagram that shows the relationship among species in regard to their shared derived characters.

Common Ancestor

An ancestral species from which two or more species evolved.