Multiple Choice
Mass extinctions frequently result in adaptive radiation because they lead to
A) allopatric speciation.
B) postzygotic barriers in other species.
C) mechanical isolation in other species.
D) ecological isolation in other species.
Correct Answer:

Verified
Correct Answer:
Verified
Q15: The great diversity of life on Earth
Q16: Because alleles are only exchanged within species,each
Q17: Which of the following is an example
Q18: The offspring of two individuals of different
Q19: Vestigial organs had a function in a
Q21: Sympatric speciation always follows allopatric speciation.
Q22: Some scientists believe that amphibians may be
Q23: Speciation<br>A) can result from geographic isolation.<br>B) is
Q24: Why have the two plant populations depicted
Q25: In general,geographical isolation occurs when<br>A) populations migrate