In an inverted aquatic biomass pyramid, which organisms are likely found at the bottom?
A. zooplankton
B. smelts
C. sharks
D. phytoplankton
E. trout
Answer: D
Biology & Microbiology
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A vein is a blood vessel that always carries
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The ability to control defecation is because the anal sphincter is made of:
a. skeletal muscle b. elastic connective tissue c. fibrous connective tissue d. tendon e. cardiac muscle
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Which one of the following terms applies to the phylum Platyhelminthes?
A. protostome B. acoelomate C. diploblastic D. radial symmetry E. radial cleavage
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A phosphate is moved from one molecule to another. This is an example of a/an ________ reaction.
A. anabolic B. catabolic C. endothermic D. exchange E. exothermic
Biology & Microbiology