Answer: Option B.
Geographic separation.
Explanation:
It is geographic separation that is common to both of them because
Sympatric speciation to occur when certain populations of species isolate reproductively from the the main populations because they can not longer interbreed with each other and they inhabit the same geographical location.
Allopatric speciation occur when two populations of the same species separate from each other geographically which can be as a result of one group of population move to another geographical location.
Answer:
good opportunity to get myself points
Two components joined together by a glycerol molecule(I think).
Bones. The bones are the structures in which organs and osseous tissues and other connective tissues, smooth muscle and neural tissues consists of.
