Two organisms that are closely related would have

• very similar DNA sequence
• exactly the same DNA sequences
• no proteins in common
• completely different DNA sequence

A farmer's use of the best livestock for breeding is an example of

• natural selection
• artificial selection
• extinction
• adaptation

This scientist came up with the idea of natural selection.

• Jean Baptiste Lamarck
• Gregor Mendel
• Charles Darwin
• Thomas Malthus

Inherited trait that helps an organism survive is a(n) __________.

• Fossil
• Adaptation
• Ancestor
• Natural selection

Survival of the fittest or when favorable adaptations reproduce faster is called what?

• Evolution
• Adaptation
• Natural selection
• Fossilization

What do we call a change in a species over time?

• Adaptation

• Evolution

• Extinction

• Environmental influences

Genetic fitness means that an organism's ability to do what is high?

• lift weights really well

• reproduce effectively

• attract other members of their species

• survive environmental disasters

Microevolution happens in

• species

• individuals

• populations

• households

An ancestral species is

• a species that is the "parent" of many others

• your ancestor

• a human's predecessor

• still living today

Different beak sizes indicates

• same diets

• different environments

• similar environments

• different diets