A Single Common Ancestor Evolving into the Current 28 Species

question 77

Multiple Choice

A single common ancestor evolving into the current 28 species of silversword plants found among the Hawaiian islands is an example of

• A) adaptive radiation.
• B) punctuated equilibrium.
• C) extinction.
• D) gradualism.
• E) a prezygotic barrier to evolution.

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Definitions:

Family

A social unit consisting of individuals who are connected by blood, marriage, or adoption, functioning as a single household and participating in various emotional, economic, and social duties.

Endogamy

Marriage within a particular group or category of individuals.

Exogamy

A social arrangement in which individuals are required to marry outside their social group, clan, or tribe, promoting alliances and diversity in genetic contribution.

Woman-Woman Marriage

A cultural practice in which a woman assumes the social role of a husband to another woman, often for purposes of lineage or inheritance, observed in some African societies.