In the tropics, warm but nutrient-poor water above continental shelves is often occupied by ____

a. coral reefs
b. kelp forests
c. rocky shores
d. salt marshes
e. phytoplankton blooms


ANSWER: a

Biology & Microbiology

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Which item, A, B, or C, is a gated ion channel in the postsynaptic membrane?

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The area in the figure marked “A” is likely to

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A blocked coronary sinus would block blood flow:a

into the superior vena cava. b. into the inferior vena cava. c. into the pulmonary arteries. d. returning from the pulmonary arteries. e. returning from the coronary circulation

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