Homeostasis is the maintenance of a tolerable internal environment. E. Reproduction 1. Each organism arises through reproduction-the production of offspring by one or more parents. Each organism is part of a reproductive continuum that extends back through countless generations. Variations in hereditary instructions arise through mutations.
Many mutations are harmful.
Some may be harmless or even beneficial. So Many Species 1. Attempts to study the diversity of life forms led to classification schemes. B. An Evolutionary View of Diversity 1. Evolution is the change that characterizes populations through successive generations.