Section Objectives
After you have completed this section, you will be able to:
- Describe the unique features of Earth that allow it to support life.
- Construct a timeline of the history of life on Earth.
- Illustrate the results of natural selection in speciation, diversity, adaptation, and extinction.
- Analyze data that are relevant to the theory of evolution.
- Apply the theory of natural selection to explain a species’ survival, extinction, or change over time.
