Trochophores,the Free-Swimming Larvae of Many Mollusks,are Propelled Through the Water

question 15

Multiple Choice

Trochophores,the free-swimming larvae of many mollusks,are propelled through the water by

• A)flagella.
• B)cilia.
• C)flame cells.
• D)nephridia.
• E)the radula.

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Definitions:

Society

A group of individuals belonging to the same species and often closely related; an organized society is an actively cooperating group.

Behavioral Responses

Actions or reactions of an organism in response to external or internal stimuli.

Lek

A small territory in which males compete for females.

Reproductively Available

A term indicating the readiness or condition of an organism to participate in reproduction.