In humans, crossing over ________
a. occurs at least once per chromosome
b. is exceedingly rare
c. occurs 46-95 times per chromosome
d. never happens
a
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Which are not arthropods?
A. Mosquitoes B. Fleas C. Lice D. Ticks E. Flukes
In their studies of learning in Aplysia, the primary behavioral focus of Eric Kandel and his colleagues was on
A. feeding. B. the gill-withdrawal reflex. C. aggression. D. sexual behavior. E. locomotion.
Conservation biology includes
a. a survey of biological diversity. b. a look at the evolutionary origins of diversity. c. ecological considerations of diversity. d. an effort to maintain biodiversity. e. all of these.
A corridor wide enough to contain interior habitat is called
A) functional connectivity. B) a patch. C) a strip corridor. D) a filter effect.