McGraw Hill
Glencoe Biology: Shaping Evolutionary Theory: Self Check Quiz
This multiple-choice quiz on shaping evolutionary theory allows students to get hints for each question and check their answers after submitting.
Khan Academy
Khan Academy: Species & Speciation
Find out what defines a species, and learn how new species can arise from existing species.
BiologyWise
Biology Wise: 4 Basic Modes of Speciation Show How Species Evolve
Explains what the four main modes of species formation are - allopatric, parapatric, peripatric, and sympatric speciation - and provides examples. A fifth possible mode, stasipatric speciation, is also discussed.
Wikimedia
Wikipedia: Selective Breeding
This entry from Wikipedia provides information on the selective breeding of animals and plants, along with a discussion of Darwinism.
University of California
University of California Museum of Paleontology: Evolution at Different Scales
Macroevolution and microevolution are defined, along with mutation, migration, genetic drift, and natural selection, which are "established mechanisms of evolutionary change."
Treehut
Suzy's World: Life on Earth
This site from Suzy's World, which is a personal site from Suzy Cato, explores what evolution is, and how long there has been life on earth. Content includes fun facts, a great experiment, and a classroom activity.
CK-12 Foundation
Ck 12: Earth Science: Evolution of Eukaryotes to Multicellular Life Study Guide
[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about the evolution of eukaryotic cells into multicellular life forms. Includes a few questions to check for understanding.
University of California
University of California Museum of Paleontology: What About Fitness?
An explanation of the concept of fitness and its relation to evolution and how inherited characteristics may change.
BiologyWise
Biology Wise: Microevolution vs. Macroevolution
The concepts of microevolution and macroevolution are explained and a two-column table that compares them is presented.