Question

1.Species that are closely related have a high proportion of thenucleotide sequences in their DNA in common.

True of False?

2.Natural populations have the potential to produce moreoffspring than will survive to reproductive age

True or False?

3. Adaptive radiation is usually associated with

a) hybrid sterility

b) a major environmental change

c) heavy predation

d) background extinction

e) allopolyploidy

4.

Mass extinction refers to the continual, low-level loss ofspecies that has occurred due to gradual changes in theenvironment.

	True
	False