In Order for the Process of Natural Selection to Occur

question 126

Multiple Choice

In order for the process of natural selection to occur within a species, the traits of individuals must be _______ and _______.

• A) invariant; heritable
• B) invariant; adaptive
• C) somewhat variable; heritable
• D) somewhat heritable; adaptive
• E) somewhat variant; nonheritable

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Definitions:

Human History

The recorded or studied past of the human species, encompassing historical events, cultures, advancements, and transformations through time.

Neandertals

An extinct species of human that was widely distributed in ice-age Europe between c. 120,000-35,000 years ago, coexisting with early Homo sapiens.

Gracile Australopithecines

One member of the genus Australopithecus possessing a more lightly built chewing apparatus; likely had a diet that included more meat than that of the robust australopithecines.

Human Ancestors

Prehistoric species and genera that are considered predecessors of modern humans in the evolutionary lineage.