In neurons, an action potential begins when a(n) ________ reaches a(n) ________
a. ion pump / membrane
b. electrical charge / cell body
c. membrane potential / threshold level
d. ion concentration / equilibrium
c
Biology & Microbiology
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Which type of reproductive isolation
mechanism is most closely related to allopatric speciation?
a. temporal b. mechanical c. behavioral d. ecological e. genetic
Biology & Microbiology
A black bear population being fragmented into
separate smaller populations by a newly constructed road and the smaller populations prevented from interacting is an example of
a. behavioral isolation. b. temporal isolation. c. ecological isolation. d. mechanical isolation. e. genetic isolation
Biology & Microbiology
Temperature at which matter changes from liquid to solid
What will be an ideal response?
Biology & Microbiology
You will always wash your hands and desk before and after labs
a. true b. false
Biology & Microbiology