Course

Introductory Biology

Study Pack

Set 33 An Introduction To Invertebrates

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Question 1

(Multiple Choice)

Free
Which chemical is synthesized by some sponges and acts as an antibiotic?

A) streptomycin
B) spongin
C) calcium carbonate
D) silica
E) cribrostatin

Answer

Question 2

(Multiple Choice)

Free
In terms of food capture, which sponge cell is most similar to the cnidocyte of a cnidarian?

A) amoebocyte
B) choanocyte
C) epidermal cell
D) pore cell

Answer

Question 3

(Multiple Choice)

Free
A brachiopod can be distinguished from a bivalve by the presence of

A) two hinged shells.
B) a digestive system with separate mouth and anus.
C) a lophophore.
D) suspension feeding.
E) a distinct head.

Answer