You are most likely to observe primary succession in a marine community at

A) a newly formed hydrothermal vent.
B) a hydrothermal vent that has recently become inactive.
C) the surface waters of a mid-ocean gyre.
D) a coral reef in slowly warming waters.
E) None of these. Succession only occurs in terrestrial communities.


Ans: A) a newly formed hydrothermal vent.

Biology & Microbiology

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The parts of the graph indicated at points C, D, and E represent


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B) hyperpolarization.
C) the refractory period.
D) repolarization.
E) sodium channel activity.

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The energy source that powers the process of photosynthesis is

A. water. B. oxygen. C. sunlight. D. carbon dioxide. E. glucose.

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__________ directly deliver blood to the glomeruli

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