Members of the ____ lineage, commonly called chitons, have a dorsal shell divided into eight plates that allow it to
conform to irregularly shaped surfaces.
a. Cephalopoda
b. Polyplacophora
c. Platyhelminthes
d. Gastropoda
e. Scaphopoda
ANSWER: b
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In invertebrates with open circulatory systems, hemolymph is composed of:
A. plasma. B. interstitial fluid. C. plasma plus intracellular fluid. D. plasma plus interstitial fluid.
Which respiratory disease is caused by a bacterial infection?
A. the common cold B. asthma C. lung cancer D. tuberculosis E. cystic fibrosis
A true predator is a species that
A) feeds upon any part of any organism, not necessarily killing it. B) feeds only on animals. C) kills its prey more or less immediately upon capture. D) feeds on dead or living prey.
Choose the monomer corresponding to the polymer stated.
A. Glycogen B. DNA C. Triglyceride D. Hemoglobin