Humans Share Several Features with Salamanders

question 21

Multiple Choice

Humans share several features with salamanders.Certain genes and proteins are nearly identical between the two species; both species have four limbs with a similar skeletal structure; the species' early embryos are very similar; and where the salamander has a functional tail,humans have a vestigial tailbone.In evolutionary terms,these are examples of

• A)adaptation by natural selection.
• B)biogeographic similarity.
• C)coincidental similarity.
• D)homology.

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Definitions:

Proactive Coping Skills

Strategies employed to prevent or handle future stressors and challenges with foresight and planning.

Adversity

A difficult or unfavorable condition or situation that presents challenges or obstacles to be overcome.

Individual Differences

Variations among individuals in their psychological traits, behaviors, and physiological responses.

Gender

Socially constructed roles, behaviors, activities, and attributes that a given society considers appropriate for men and women.