Imagine That a Population of Hummingbirds with an Intermediate Beak

question 88

Multiple Choice

Imagine that a population of hummingbirds with an intermediate beak size develops longer beaks over time. This is an example of:

• A)directional selection.
• B)stabilizing selection.
• C)disruptive selection.
• D)sexual selection.
• E)genetic drift.

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Definitions:

Commerce Clause

The Commerce Clause is a provision in the U.S. Constitution granting Congress the power to regulate trade and commerce among the states, with foreign nations, and with Native American tribes.

Federal Government

The governing body of a nation, state, or community that operates at the national level, making and enforcing laws over a certain territory.

Judicial Review

The power of courts to assess the constitutionality of legislative acts or government actions.

U.S. Constitution

The supreme law of the United States, establishing the framework of the national government and the rights of the citizens.