Which of the Following Is the Best Definition of Sympatric

Multiple Choice

Which of the following is the best definition of sympatric speciation?​

A) ​species that evolve due to geographical distance
B) ​mechanical isolation acts to prevent speciation
C) ​breeding behavior that prevents the organisms from breeding due to differences in their breeding time
D) ​ecological isolation
E) ​divergence within a population leads to speciation in the absence of a physical barrier to gene flow.