Features That Are Similar in Organisms That Are Not Evolutionarily

question 24

Multiple Choice

Features that are similar in organisms that are not evolutionarily related are due to:

• A)similar selective pressures
• B)differing selective pressures
• C)chance alone
• D)directional mutation

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Definitions:

Constriction

Constriction refers to the narrowing of a passage or vessel, often as a response to nerve signaling or chemical stimuli.

Iris

The colored part of the eye that controls the size of the pupil and, consequently, the amount of light that enters the eye.

Ventral Body

Pertaining to the front or anterior part of the body; opposite to the dorsal side.

Vagus

A cranial nerve that interfaces with the parasympathetic control of the heart, lungs, and digestive tract.