1. Behavioral isolation occurs when organisms have mating seasons during different times of the year.

True or False

2.Allopatric speciation requires that organisms become reproductively isolated despite living in the same environment.

True or

False

3.Scientists believe that the first molecules on earth were likely lipids and carbohydrates.

True or False

4.Humans appeared on earth over 100 million years ago.

True or False

5.Relying on physical evidence, scientists tell us that the earth is 20 billion years old.

True o5False

6.The forelimbs of humans and bats are homologous structures.

True or False

7.Two organisms demonstrate different mating rituals. This is an example of behavioral isolation.

True or False