Interbreeding Two Different Species of Lovebirds Produces Offspring That Are

Multiple Choice

Interbreeding two different species of lovebirds produces offspring that are unable to build a nest after they mature because they lack the appropriate nest- building behavior needed to build a nest. This limits genetic mixing between the species due to

A) mechanical incompatibility.
B) behavioral isolation.
C) ecological isolation.
D) hybrid inviability.
E) geographic isolation.