Feathers Are an Example of A(n) ________; They Originally Evolved

question 12

Multiple Choice

Feathers are an example of a(n) ________; they originally evolved ________.

• A) homology; for flight in an entire lineage of dinosaurs
• B) exaptation; in anticipation of future use in the development of flight
• C) exaptation; for some other function and only later became adapted for flight

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Definitions:

Confounding

In research and statistics, describes a situation where the effect of the independent variable on the dependent variable is mixed with the effect of another variable, complicating the analysis and interpretation of results.

Experimental Effects

The changes or outcomes observed in an experimental setting, attributable to the manipulation of independent variables.

Autonomy

The capacity to make independent choices and to have self-governance, often discussed in the context of moral, ethical, or political theory.

Differences Tradition

is a concept within cultural studies that emphasizes understanding and appreciating the diverse ways people differ from one another, including cultural, gender, racial, and ethnic differences.