All of the following are glial cells except
A) interneurons.
B) oligodendrocytes.
C) astrocytes.
D) Schwann cells.
E) both choices A and D
A) interneurons.
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Gonyaulax
A. produces a non-protein neurotoxin. B. infects the nervous system of humans. C. is a dinoflagellate. D. produces a non-protein neurotoxin AND is a dinoflagellate.
Which of the following is a phagocyte that acts to alert the adaptive immune system of the presence of antigen in solid
tissue?
a. macrophages b. monocytes c. neutrophils d. dendritic cells e. eosinophils
Stabilizing selection occurs when
a. the environment controls which organisms will survive. b. humans determine which organisms will survive.
c. the extremes of the population have a lesser chance to survive. d. the extremes of the population have a better chance to survive. e. the organisms on one extreme of the population have a better chance to survive than those on the other extreme.
What would likely be true when P = 0.9?
A) Rate of extinction would be high. B) Rate of colonization would be high. C) Proportion of patch occupied would be low. D) Corridor size would be small.