Molting and Subsequent Ecdysis in Crustaceans

question 20

Multiple Choice

Molting and subsequent ecdysis in crustaceans

• A)involves production of a new cuticle and shedding of the old one.
• B)is initiated by a stimulus perceived by the central nervous system.
• C)involves a molt-inhibiting hormone produced by the X-organ of the eye stalk,and a molting hormone produced by the Y-organs near the mandibles.
• D)cues on stimuli such as day length,temperature,or humidity.
• E)All of the choices are correct.

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Achievement Motivation

The drive or urge to accomplish goals or attain certain standards of excellence.

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Homosexual

An adjective describing individuals who are romantically or sexually attracted to people of the same sex.

Affiliation Motivation

The drive to relate to people on a social basis and to be accepted into groups.