Ichthyosaurs Were Aquatic Dinosaurs

question 21

Multiple Choice

Ichthyosaurs were aquatic dinosaurs. Fossils show us that they had dorsal fins and tails, as do fish, even though their closest relatives were terrestrial reptiles that had neither dorsal fins nor aquatic tails. The dorsal fins and tails of ichthyosaurs and fish are

• A) homologous.
• B) examples of convergent evolution.
• C) adaptations to a common environment.
• D) Three of the responses above are correct.
• E) Two of the responses above are correct.

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Definitions:

Shareholder's Meeting

A gathering of a company's shareholders where important issues are discussed, and decisions are made about the company's affairs.

Proxy

Authorization to represent a corporate shareholder to serve as his or her agent and vote his or her shares in a certain manner.

Greater-Than-Majority Vote

A voting requirement in decision-making processes that necessitates more than 50% of the votes to pass a motion or make a decision.

Unanimous Vote

A voting result where all participants agree on the decision or option presented without any dissent.