Which of the following characteristics is NOT

found in all animal groups?



a. multi-cellularity
b. coelomate
c. heterotrophy
d. symmetry
e. more than one of these


E

Biology & Microbiology

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The neurotransmitter released at neuromuscular junctions in vertebrates is

A. acetylcholine. B. serotonin. C. epinephrine. D. GABA. E. endorphin.

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An instrument that measures lung volumes is a

a. caliper. b. spirometer. c. barometer. d. stethoscope.

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Describe the two ways in which meiosis produces new combinations of genes. What will be an ideal response?

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Wolves feed on small and large mammals. Because they hunt and feed on other organisms, wolves are called

a) prey b) predators c) hunters d) hosts

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