Multiple Choice
Two species of pines, Pinus radiata and Pinus muricota, live in the same regions of California and are capable of forming hybrids under laboratory conditions. However, they do not interbreed because one releases pollen in February and the other in April. What genetic isolating mechanism is involved?
A) ecological
B) temporal
C) gametic
D) geographic
E) hybrid inviability
Correct Answer:

Verified
Correct Answer:
Verified
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