Multiple Choice
Rocky Mountain juniper (Juniperus scopulorum) and one-seeded juniper (J. monosperma) have overlapping ranges. If 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, then which of these terms is applicable?
A) behavioral isolation
B) mechanical isolation
C) hybrid breakdown
D) reduced hybrid viability
Correct Answer:
Verified
Correct Answer:
Verified
Q43: The next few questions refer to the
Q44: The origin of a new plant species
Q45: Dogs (Canis lupus familiaris)and gray wolves (Canis
Q46: Two species of frogs belonging to the
Q47: The next few questions refer to the
Q49: The largest unit within which gene flow
Q50: Speciation<br>A) occurs at such a slow pace
Q51: If one builds a canal linking a
Q52: Males of different species of the fruit
Q53: The next few questions refer to the