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.
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The parts of the graph indicated at points C, D, and E represent
A) depolarization.
B) hyperpolarization.
C) the refractory period.
D) repolarization.
E) sodium channel activity.
The first eukaryotic genome to be elucidated was from ____
a. Escherichia coli b. Caenorhabditis elegans c. Drosophila melanogaster d. Saccharomyces cerevisiae e. Schizosaccharomyces pombe
The energy source that powers the process of photosynthesis is
A. water. B. oxygen. C. sunlight. D. carbon dioxide. E. glucose.
__________ directly deliver blood to the glomeruli
a. Afferent arterioles b. Efferent arterioles c. Peritubular capillaries d. Renal arteries e. Renal venules