Chapter 5 - Environmental Science

Process that some scientists believe has acted to change a stark planet inhabited solely by single-celled organisms to a lush world

A sequence of DNA that codes for a particular trait

Changes in DNA

Random biological evolution that occurs from an unusual event separating a few individuals from a population.

Process in which traits that improve an organism's chances for survival and reproduction are passed on more frequently to future generations than those that do not.

Describes how reproductively successful an organism is in its environment.

A heritable trait that increases an individual's fitness

Process of humans choosing animals and plants to breed for traits we like instead of letting nature

Process by which new species are generated

The disappearance of a species from Earth.