Considering the answers;
A. are still sibling species
B. shared a common ancestor more recently with each other than either did with the other two species
C.May merge into a single species if their hybrids remain fertile over the course of many generations.
D. A and B only
E. A, B, and C
The answer will be E.
If no other species can hybridize, then species W and Y are still sibling species, shared a common ancestor more recently with each other than either did with the other two species and also may merge into a single species if their hybrids remain fertile over the course of many generations.
The Cerebellum is responsible for coordinating muscle movements and maintaining balance
Its more natural and doesn't have side effects
Cholera is caused by the bacterium, Vibrio cholerae and produces CTX (cholera toxin, choleragen)...