Cnidarian bodies are one of two forms. A ___ consists of a sessile stalk with tentacles on one end. A ____ is a free-swimming, bell-shaped, "tentacles-down" body form with a single opening forming the mouth.

A. cephalization; amnion
B. amnion; medusa
C. amnion; polyp
D. polyp; medusa
E. medusa; polyp


Answer: D. polyp; medusa

Biology & Microbiology

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________ molecules of ATP are generated from the complete cellular respiration of one molecule of glucose.

Fill in the blank(s) with the appropriate word(s).

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Which lineage do salamanders belong to?

a. Gymnophiona b. Aves c. Urodela d. Anura

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