CK-12 Foundation
Ck 12: Life Science: 4.1 Theory of Evolution
Discover how Charles Darwin developed the theory of evolution through his observations in the Galapagos Islands.
Project Gutenberg
Project Gutenberg: The Autobiography of Charles Darwin
Resource presents multiple digital formats of this literary text. You can read about the famous scientist's life in his own words, as he recalled his thoughts and actions for his children.
CK-12 Foundation
Ck 12: Life Science: 4.2 Influences on Darwin
Learn about Darwin's influences that led to his discoveries of change in species over time.
OpenStax
Open Stax: Urbanization 1870 1900: Change Reflected in Thought and Writing
American writers and intellectuals played an important role in articulating the changes taking place in Industrial America in the late 1800s and early 1900s. Learn about some of the prominent writers, scientists, and philosophers at that...
Estrella Mountain Community College
Online Biology Book: The Nature of Science and Biology
Use the scientific reasoning and critical thinking to take an in-depth look at the basics of biology.