National Institutes of Health
National Center for Biotechnology Information: Phylogenetics Factsheet
A detailed website that explains the history and process of classifying animals using evolutionary, molecular, and physical characteristics relationships. Website also contains information on evolution and evolutionary processes....
Khan Academy
Khan Academy: Charles Darwin's Evidence for Evolution
An article reviewing over the life of Charles Darwin and his evidence of evolution. Find out how this young naturalist who took a trip around the world collecting evidence about how organisms have changed over time.
Khan Academy
Khan Academy: Evidence for Evolution
Explore the evidence for evolution: anatomy, molecular biology, biogeography, fossils, & direct observation.
Biology 4 kids
Biology4 Kids: Evolution
Read a brief, but clear description of the three evolutionary processes that occur in species over time.
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.
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.
Nature Research
Scitable: Evolutionary Genetics
A collection of articles on evolutionary genetics focusing on the topics of phylogenetics, mutation and molecular population genetics, the genetics of speciation, genome evolution, and evolution and development. Learn how to read a...
University of Wisconsin
The Why Files: On the Wing: Birds, Skeeters, Jet Planes
Evolution through natural selection governs the "design" of flying creatures. Engineers design flying machines. But flying is about physics, and physics is the ultimate arbiter of both processes, and that produces parallels in mechanical...
Read Works
Read Works: Famous Scientists Charles Darwin
[Free Registration/Login Required] This passage discusses Charles Darwin and his theory of natural selection in evolution. This passage is a stand-alone curricular piece that reinforces essential reading skills and strategies and...
W. W. Norton
W.w. Norton & Company: Alfred Russel Wallace's Comments on Darwinism
An excerpt from "Darwinism: an Exposition of the Theory of Natural Selection with some of its Applications", by Alfred Wallace. He was a contemporary of Darwin who is credited as the co-developer of the theory of natural selection.
Famous Scientists
Famous Scientists: Alfred Russel Wallace
Learn about the life and work of Alfred Wallace, who is best known for independently conceiving the theory of evolution through natural selection; his paper on the subject was jointly published with some of Charles Darwin's writings.
Famous Scientists
Famous Scientists: Charles Darwin
A short biography of Charles Darwin, and how he discovered evolutionary theory and natural selection.
BioMan Biology
Bio Man Biology: Snurfle Islands
Create a Snurfle and see whether it can survive in different environments. As you play the game, you will learn about natural selection and animal adaptations. At the end of the game, try the multiple-choice quiz to check your...
The Wonder of Science
The Wonder of Science: Ms Ls4 6: Adaptation of Populations Over Time
Middle schoolers use mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time.
Curated OER
Field Museum: Exhibits: Evolving Planet: The Basics of Evolution
What is evolution? What is natural selection? How has our understanding of evolution changed since Darwin's day? You will find the answers to these questions and more in this basic explanation of the evolutionary process.
PBS
Pbs Online News Hour Extra: 200 Years Later, Darwin's Theories Still Inspire
Explore this concise article detailing Charles Darwin's Theory of Evolution and follow with discussion questions.
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."
Vision Learning
Visionlearning: Biology: Adaptation: The Case of Penguins
Instructional module focusing on why species change over time through behavioral and physical adaptations. Discusses how environmental mechanisms influence adaptive evolution. Site also includes an interactive practice quiz and links...
CK-12 Foundation
Ck 12: Biology: Darwin's Voyage of the Beagle
[Free Registration/Login may be required to access all resource tools.] Describes Darwin's observations on the Galapagos Islands that led to his theory of evolution.
CK-12 Foundation
Ck 12: Biology: Darwin's Voyage of the Beagle
[Free Registration/Login may be required to access all resource tools.] Describes Darwin's observations on the Galapagos Islands that led to his theory of evolution.
CK-12 Foundation
Ck 12: Biology: Darwin's Voyage of the Beagle
[Free Registration/Login may be required to access all resource tools.] Describes Darwin's observations on the Galapagos Islands that led to his theory of evolution.
CK-12 Foundation
Ck 12: Biology: Microevolution Study Guide
A general overview over the evolution of one population or one species over a short period of time.
![Pbs Learning Media: Finch Beak Data Sheet [Pdf] Website](https://content.lessonplanet.com/knovation/original/38853-54307de55e3ff0df41d67fbc6e061b4b.jpg?1661365772 "Pbs Learning Media: Finch Beak Data Sheet [Pdf] Website")
PBS
Pbs Learning Media: Finch Beak Data Sheet [Pdf]
This graphic from Ecology and Evolution of Darwin's Finches by Peter Grant presents data from the Galapagos Islands, showing that a severe drought put selective pressure on the population of Darwin's finches and resulted in a change in...
PBS
Pbs Learning Media: A Cow's Digestive System
Learn how a cow eats and digests food in this video segment from Nature.