Khan Academy
Khan Academy: Darwin, Evolution, & Natural Selection
Examine Charles Darwin's voyage on the HMS Beagle and his ideas about evolution and natural selection.
BiologyWise
Biology Wise: A Brief Summary of Lamarck's Theory of Evolution
Discusses Lamarck's theory of evolution, which was developed before Charles Darwin's own theory, and how it fared over time. The core ideas in Lamarck's theory are described and his theory and Darwin's are compared. Lamarck's ideas...
CK-12 Foundation
Ck 12: Life Science: Theory of Evolution by Natural Selection
[Free Registration/Login may be required to access all resource tools.] Do you ever wonder why some birds are big like ostriches and some birds are small like robins? Or why a lion has a mane while a leopard has spots? In the 19th...
Khan Academy
Khan Academy: The Evolution of Gecko Toepads
This is a five-questions related to the passage "The Evolution of Gecko Toepads."
Open Curriculum
Open Curriculum: Evidence for Evolution
With this article, students will be able to clarify the significance of a scientific theory and recognize that Darwin supported his theory with a great deal of evidence, and that many kinds of evidence since his time have further...
Open Curriculum
Open Curriculum: Evolution Continues Today Can We Control It?
This article allows students to recognize that the process of evolution by natural selection continues to change our world and ourselves, both despite and because of our best efforts to control it.
Khan Academy
Khan Academy: Mechanisms of Evolution
When a population is in Hardy-Weinberg equilibrium, it is not evolving. Learn how violations of Hardy-Weinberg assumptions lead to evolution.
CK-12 Foundation
Ck 12: Life Science: Evolution Acts on the Phenotype
[Free Registration/Login may be required to access all resource tools.] Natural selection acts on the phenotype (traits or characteristics) of an individual. On the other hand, natural selection does not act on the underlying genotype...
CK-12 Foundation
Ck 12: Biology: Flowering Plants
[Free Registration/Login may be required to access all resource tools.] Describes the parts of a flower and the classification and evolution of flowering plants.
TED Talks
Ted: Ted Ed: The Evolution of Animal Genitalia
Genitals are the fastest-evolving organs in the animal kingdom. Menno Schilthuizen explains how the evolutionary biology of nature's nether regions uncovers a hidden world of seduction, conflict, and rivalry.
CK-12 Foundation
Ck 12: Biology: Birds Study Guide
This comprehensive study guide covers the main terms and concepts needed for a biology unit on birds.
CK-12 Foundation
Ck 12: Biology: Animals: Overview Study Guide
This comprehensive study guide covers the main terms and concepts needed for a biology unit on animals.
CK-12 Foundation
Ck 12: Biology: Fish Study Guide
This comprehensive study guide covers the main terms and concepts needed for a biology unit on the structure and classification of fish.
CK-12 Foundation
Ck 12: Biology: Amphibians Study Guide
This comprehensive study guide covers the main terms and concepts needed for a biology unit on amphibians.
CK-12 Foundation
Ck 12: Episd: Influences on Darwin
[Free Registration/Login may be required to access all resource tools.] What did other scientists say about evolution? Check out this module to understand how Darwin developed his theory of evolution by natural selection and the ways...
CK-12 Foundation
Ck 12: Episd: Fossils
[Free Registration/Login may be required to access all resource tools.] Researchers studying the history of life on Earth spend hours digging, examining, pouring over fossils. What can fossils reveal about the past? Find out what fossils...
CK-12 Foundation
Ck 12: Biology: Scientific Theories
[Free Registration/Login may be required to access all resource tools.] Explains scientific theories and introduces several famous theories in biology.
CK-12 Foundation
Ck 12: Biology: Fungi Evolution
[Free Registration/Login may be required to access all resource tools.] Overview of the evolution of fungi.
BiologyWise
Biology Wise: Charles Darwin: Introduction to the Theory of Evolution
The main concepts in Charles Darwin's theory of evolution are described, how natural selection works, and the ongoing criticism of evolution from Creationists.
Cosmo Learning
Cosmo Learning: Principles of Evolution, Ecology and Behavior
A collection of video lectures introducing beginning biology students to the principles of evolution, ecology, and behavior. The course was taught three times a week for a semester at Yale University. The course discusses concepts of...
CK-12 Foundation
Ck 12: Biology: Early Evolution of Plants
[Free Registration/Login may be required to access all resource tools.] Describes how plants evolved from living in the oceans to living on land.
BioMan Biology
Bio Man Biology: Angry Aliens: Evolution
Teach aliens about evolution as you play this game, and review your own understanding in the process. Topics covered include evolutionary mechanisms, evidence of evolution, natural selection, reproductive isolation, population genetics,...
McGraw Hill
Glencoe Biology: Evidence of Evolution: Self Check Quiz
Five multiple-choice quiz questions covering the evidence of evolution. Students have the opportunity to check their answers after submitting their results.
Other
The Rise of Evolutionary Biology: Biology Before Darwin
These pages are part of a site called "Evolution," that accompanies a textbook by the same name. Mark Ridley is the author. Here he discusses theories for species change that were before Darwin published "On the Origin of Species."