Pneumatophores are specialized to:
a. exchange gas.
b. produce nutritive roots.
c. stabilize the plant.
d. both a and b
D
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Erythropoietin is secreted by the kidneys in response to an increase in blood oxygen levels.
a. true b. false
What is the difference between type 1 and type 2 diabetes?
a. One causes hyperglycemia, while the other causes hypoglycemia. b. One demonstrates protein breakdown, while the other demonstrates protein synthesis. c. One leads to blindness, while the other leads to kidney disorder. d. One has insulin hypersecretion, while the other has insulin hyposecretion. e. One has insulin deficiency, while the other has insulin resistance.
A way for a new genetic characteristic to be introduced into a species is through
A. migration. B. mutation. C. sexual reproduction within the species. D. All of the choices are correct.
What trait is exhibited only in Homo sapiens and not in other primates in existence today?
A. symbolic language B. opposable thumb C. tool use D. bipedalism