The Four Mechanisms That Cause Microevolution Include Gene Flow, Genetic

question 16

True/False

The four mechanisms that cause microevolution include gene flow, genetic drift, natural selection, and directional selection.

---

Definitions:

Shape Constancy

The tendency to perceive an object as being the same shape although the retinal image varies in shape as it rotates.

Shadowing

A technique used in psychological research to study attention and language processing, involving repeating speech immediately after hearing it.

Convergence

A binocular cue for depth based on the inward movement of the eyes as they attempt to focus on an object that is drawing nearer.

Sensitization

The process by which repeated exposure to a stimulus increases the response to that stimulus over time.