Several Related Bird Species Live in a Desert

question 57

Multiple Choice

Several related bird species live in a desert.One species is much smaller than the other species.This small species nests in holes in cacti.Because the bird is so small,it can easily squeeze between the spines of the cactus and create a well-protected nest.This is an example of

• A) genetic drift.
• B) mutation.
• C) natural selection.
• D) gene flow.

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Definitions:

Distance Cues

Visual and auditory signals that help an organism estimate the distance of an object or sound source.

Principle Of Continuity

A concept in psychology suggesting that experiences are linked over time, creating a coherent sense of self.

Relative Motion

The movement of an object in relation to another, highlighting that motion is observed differently depending on the observer's position.

Depth Cue

A visual or auditory signal that provides information about the distance or three-dimensional characteristics of an object or scene.