Explain the role of scientific investigation in the development of the theory of evolution.

Aristotle classified animals according to their a. habitat and mating behavior c. mating behavior and relatedness b. habitat and physical differences d. physical differences and mating behavior

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?