Many Crustaceans (For Example, Lobsters, Shrimp, and Crayfish) Use Their

question 3

Multiple Choice

Many crustaceans (for example, lobsters, shrimp, and crayfish) use their tails to swim, but crabs have reduced tails that curl under their shells and are not used in swimming. This is an example of ________.

• A) convergent evolution
• B) a homologous structure
• C) natural selection
• D) a vestigial trait

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Definitions:

Legal Precedent

A principle or rule established in a previous legal case that is either binding or persuasive for a court when deciding subsequent cases with similar issues or facts.

Legal Decision

A ruling or resolution made by a court or legal authority that resolves a dispute or interprets a law.

Case of First Impression

A legal case with issues never before decided by the court, presenting a unique opportunity for setting new legal precedent.

Existing Law

The body of law or legislation that is currently in effect and governs particular matters or jurisdictions.