Which of the following is not a type of intrinsic reproductive isolation?
a. Geographic isolation
b. Mechanical isolation
c. Behavioral isolation
d. Gametic isolation
e. Temporal isolation
Answer: a. Geographic isolation
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A) Guard cell shrinkage B) K+ exits guard cells C) Changes in membrane potential D) cell expansion driven by proton ATPases E) water exits guard cells
DDT breaks down in the environment fairly quickly
Indicate whether the statement is true or false
Meiosis I results directly in the production of
a. spermatids. b. spermatogonia. c. primary spermatocytes. d. secondary spermatocytes. e. sperm.
If your appendix bursts, it may lead to a life-threatening condition called
A. peritonitis. B. rickets. C. diverticulitis. D. osteoporosis. E. cirrhosis.