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...
Other
Dr. Saul: Biology in Motion
This interactive site provides animations and activities in several areas of physiology. The images are simple, but clear. The accompanying text provides a good description of the process being shown.
Other
The Rise of Evolutionary Biology: Darwin's Ideas
These pages are part of a site called "Evolution," that accompany a textbook by the same name. Mark Ridley is the author. This section is about Darwin, his travels, and his observations that led to "On The Origins Of Species."
Khan Academy
Khan Academy: Darwin, Evolution, and Faith
Can ancient scriptural accounts of the world's creation by God be reconciled with Darwin's new story? This article looks at three responses to this question: Conflict, Contrast, and Convergence.
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: Life Science: Origin of Species
[Free Registration/Login may be required to access all resource tools.] The creation of a new species is called speciation. Most new species develop naturally. But humans have also artificially created new breeds and species for...
American Institute of Biological Sciences
Action Bioscience: Species, Speciation and the Environment
The American Institute of Biological Sciences offers this article by Niles Eldredge, evolutionary theorist and curator at the American Museum of Natural History. Eldredge begins with Darwin's theories and summarizes subsequent thought,...
Science Education Resource Center at Carleton College
Serc: Being Darwin's Finches
In this biology activity, students will be investigating evolution by "competing" for food like Darwin's finches might have competed. Each student group is given a different type of "beak" to work with and there are also different kinds...
Other
The Evidence for Evolution
These pages are part of a site called "Evolution," that accompanies a textbook by the same name. Mark Ridley is the author, and in this section he discusses the evidence for evolution.
Khan Academy
Khan Academy: A Brief History of Mass Extinctions
A site dedicated to knowledge about the mass extinction that have occurred in our history.
Open Curriculum
Open Curriculum: Darwin and the Theory of Evolution
Students will be able to identify important ideas Darwin developed during the voyage of the Beagle, and give examples of his observations that supported those ideas.
Biology 4 kids
Biology4 Kids: Evolution
Read a brief, but clear description of the three evolutionary processes that occur in species over time.
CK-12 Foundation
Ck 12: Earth Science: Adaptation and Evolution of Populations
Overview of the basic concepts behind evolution, such as gene variation and adaptations.[Free Registration/Login may be required to access all resource tools.]
CK-12 Foundation
Ck 12: Episd: Darwin's Voyage of the Beagle
[Free Registration/Login may be required to access all resource tools.] A complete resource featuring the research Darwin did on his trip to the Galapagos Islands and discover a more current Farallon Island with a similar environment.
Blackdog Media
Classic Reader: Origin of Species by Charles Darwin
Read the full text of "Origin of Species", considered to be the foundation of evolutionary biology, by Charles Darwin on this site.
Khan Academy
Khan Academy: Evolution of Viruses
Learn about virus evolution and genetic variation in viruses.
CK-12 Foundation
Ck 12: Life Science: Influences on Darwin
[Free Registration/Login may be required to access all resource tools.] When Darwin returned to England at the end of his voyage, he did not rush to announce his discoveries. He did not want to present any ideas unless he had strong...
CK-12 Foundation
Ck 12: Life Science: Hardy Weinberg Theorem
[Free Registration/Login may be required to access all resource tools.] Sometimes understanding how common a gene is within a population is necessary. Or, more specifically, you may want to know how common a certain form of that gene is...
Soft Schools
Soft Schools: Evolution Quiz
Take this interactive, multiple-choice quiz over evolution, then review your score and any missed questions at the end.
Soft Schools
Soft Schools: Evolution Quiz Ii
Take an interactive quiz over evolution. After completing the quiz, check your score, and then revisit any incorrect question for further review.
Other
Evidence for Evolution: Formation of New Species
These pages are part of a site called Evolution that accompanies a textbook by the same name. Mark Ridley is the author. These pages offer an explanation of speciation using reproductive isolation and differences in phenotype.
University of California
University of California Museum of Paleontology: Homologies
These pages are from the Understanding Evolution website for teachers. They focus on homologous structures that organisms with common ancestors share.
Other
Clermont College: Coevolution and Pollination
The first part of this page explores coevolution by giving some examples.