All sponges _____

A) have three germ layers
B) are free swimming as adults
C) reproduce only asexually
D) are parasitic
E) are sessile benthic


Answer: E

Biology & Microbiology

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A number of ____________________ cover the rough ER

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

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Without performing any calculations, which of the following is the gene order?

A) abc B) acb C) cab D) +++ E) None of these

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Lactic acid fermentation is an anaerobic process.

a. true b. false

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All of the petals of a flower are collectively called the

(a) corolla. (b) stamens. (c) receptacles. (d) calyx.

Biology & Microbiology