Question

question: will population a birds breed with population b birds? why or why not?

Explanation:

Whether two bird populations (A and B) will breed depends on factors like species - if they are different species, there may be pre - zygotic or post - zygotic barriers preventing breeding. Pre - zygotic barriers include differences in mating behavior, habitat isolation, temporal isolation, etc. Post - zygotic barriers involve issues like reduced hybrid viability or fertility if mating does occur. Without more information about the nature of populations A and B (such as species identity, behavior, etc.), it's hard to determine.

Answer:

It cannot be determined without more information about the two bird populations such as their species, mating behaviors, and whether there are reproductive barriers between them.