What Is a Distinctive Feature of the Chondrichthyans

question 109

Multiple Choice

What is a distinctive feature of the chondrichthyans?

• A)an amniotic egg
• B)unpaired fins
• C)an acute sense of vision that includes the ability to distinguish colors
• D)a mostly cartilaginous endoskeleton
• E)lack of jaws

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Definitions:

Ounce

A unit of weight in the US customary and British imperial systems, equal to 1/16 of a pound or approximately 28.35 grams.

Milligram

A mass unit that is equivalent to 0.001 of a gram.

Gram

An expression of mass measuring exactly one thousandth of a kilogram.

Milligram

A unit of mass equal to one thousandth of a gram, used in the metric system.