You Are Studying Lizards in the Field

Multiple Choice

You are studying lizards in the field.The range of the northern population,species 1,overlaps the range of the southern population,species 2.You find hybrids in the zone of overlap.What is happening?

A) Reinforcement is occurring.
B) The postzygotic isolating mechanisms aren't working.
C) Hybrids are best adapted to this region where overlap occurs.
D) There is not enough information to decide what is happening.