Multiple Choice
Rocky Mountain juniper (Juniperus scopulorum) and one-seeded juniper (J. monosperma) have overlapping ranges. Pollen grains (which contain sperm cells) from one species are unable to germinate and make pollen tubes on female ovules (which contain egg cells) of the other species. These two juniper species are kept separate by ________.
A) habitat isolation
B) temporal isolation
C) gametic isolation
D) behavioral isolation
Correct Answer:
Verified
Correct Answer:
Verified
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