Which example describes mechanical reproductive isolation?
A) Two squirrel populations live on either side of a mountain range.
B) Two fly species have differently shaped genitals that prevent interspecies mating.
C) Two similar species of sunflowers bloom at different times of the year.
D) Individuals from two wildcat species produce infertile offspring when they mate.
B
You might also like to view...
Ions of ________ initiate the release of a neurotransmitter, such as acetylcholine, via ________ into the synaptic cleft.
Fill in the blank(s) with the appropriate word(s).
Four of the five answers below were organic compounds included in the Miller and Urey experiment designed to study the early synthesis of organic compounds. Select the exception
a. hydrogen. b. methane. c. oxygen. d. ammonia. e. water.
The most probable consequence of ozone depletion is
a. global warming. b. an increase in skin cancers. c. eutrophication. d. fish kills in shallow lakes. e. groundwater contamination.
Most protists are:a
aquatic. b. parasitic. c. terrestrial. d. coenocytic. e. thermophiles.