Sympatric speciation is the process through which new species evolve from a single ancestral species while inhabiting the same geographic region.
A condition in which an organism has more than two complete sets of chromosomes due to an accident during cell division.
Behavioral Isolation: A mechanism by which species are kept separate by specific behaviors such as mating rituals or feeding habits.
The existence of biological factors (barriers) that impede members of two species from producing viable, fertile offspring.