1.

Populations are said to be sympatric when _______.

A. two populations are physically isolated by natural barriers.
B. two populations live together and freely interbreed to produce sterile offspring.
C. two populations share the same environment but cannot interbreed.
D. two populations are isolated but occassionally come together to interbreed.
Answer» D. two populations are isolated but occassionally come together to interbreed.


Discussion

No Comment Found