Which vertebrate is a fish, has a cartilaginous skeleton, no jaws, and a tooth-covered tongue?
a. shark
b. lamprey
c. coelacanth
d. goldfish
e. lungfish
ANSWER: b
Biology & Microbiology
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Most of the ocean's productivity occurs ____
a. in the open ocean b. in the intertidal zone c. in the neritic zone d. near hydrothermal vents e. in the benthic province
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Which of the following are highly distensible reservoirs for blood volume?
a. arteries b. arterioles c. capillaries d. venules e. veins
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Which of the following best explains why food is not energy?
a. Energy is exhaustive, and food is not. b. Food is exhaustive, and energy is not. c. Food can make us fat, and energy cannot. d. Energy can make us fat, and food cannot.
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Which of the following is not a type of small RNA?
A. snRNAs B. snoRNAs C. tRNA D. miRNAs E. siRNAs
Biology & Microbiology