Wings of Insects and Birds Are Result of Convergent Evolution

question 21

Multiple Choice

Wings of insects and birds are result of convergent evolution.This means that

• A) these organisms are unrelated but have similar adaptations.
• B) these organisms share a recent common ancestor and so have similar adaptations.
• C) these organisms have different adaptations to different environments.
• D) insects and birds have each independently evolved structures that serve the same function (flight) but have done so in very different ways.
• E) the insects and birds must be related to possess such similar qualities.

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Definitions:

Test Statistic

A value derived from sample data used in hypothesis testing to determine whether to reject the null hypothesis.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect exists between specified populations or parameters.

Alternative Hypothesis

A hypothesis that contradicts the null hypothesis by stating there is a statistically significant effect or relationship between variables.

Null Hypothesis

A default hypothesis that there is no significant difference or effect, used as a starting point for statistical hypothesis testing.