The Chondrichthyans, Including Sharks, Skates, and Rays, and Chimaeras

question 130

Multiple Choice

The chondrichthyans, including sharks, skates, and rays, and chimaeras,

• A) are hagfishes.
• B) have heavy external armor.
• C) have an open circulatory system.
• D) have skeletons with little cartilage.
• E) have less external armor and are faster swimmers than their ancestors.

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Definitions:

Because

The word "because" is used to indicate causality, reasoning, or explanation, giving the reason why something happened or justifying a statement.

Asserted

Stated confidently or declared as true without providing evidence or proof.

If

A conditional term used to stipulate a circumstance or requirement for a particular outcome or state to occur.

Asserted

Stated confidently or forcefully as a fact or belief.