Young geologists piece together the puzzle of plate tectonics in an earth science lesson. Given a physical map of the world, they search for land formations that indicate the location of different types of plate boundaries.

Images of the Atapuerca Caves, the cave paintings at Altamira, and a Neanderthal skull found at Forbes' Quarry on Gibraltar serve to introduce kids to prehistoric sites in Spain. Designed to support a study of prehistoric Spain, the...

How do scientists know they're right? Truth be told, they don't always know. Explore the scientific process using mystery tubes in an insightful activity. Young scientists discover how to approach and solve problems in science, how ideas...

Concise description of embryology as evidence for evolution, as used by Darwin.

These pages are part of a site called "Evolution," that accompanies a textbook by the same name. Mark Ridley is the author. In this section he discusses how fossil records provide undeniable examples of evolutionary change.

These pages are part of a site called Evolution that accompanies a textbook by the same name. Mark Ridley is the author. In this section, he describes how artificial selection has provided many examples of evolutionary change. Examples...

These pages are part of a site called Evolution that accompany a textbook by the same name. Mark Ridley is the author. In this section: the universal genetic code provides evidence that life has a common ancestor.

The Understanding Evolution website for teachers provides common examples of evolution, especially by artificial selection.

These pages are part of a site called "Evolution," that accompanies a textbook by the same name. Mark Ridley is the author. These pages are about the house sparrow and the differences that can be observed in it in different geographical...

This site from BioWeb Evolution was originally created as a ThinkQuest entry, and it has some good basic information about evolution. This page is on fossils and geologic time.

At the online companion Web site of "Evolution," the seven-episode series on PBS, delve into the private thoughts of a reluctant revolutionary--Charles Darwin.

These pages are from the Understanding Evolution website for teachers. They focus on homologous structures that organisms with common ancestors share.

Explore the evidence for the theory of evolution.

The resource allows learners to read the book online for free. A group of experts explain the fundamental methods of science, document the overwhelming evidence in support of biological evolution, and evaluate the alternative...

Are nature's complex forms evidence of "intelligent design"? In this Evolution essay, biologist Kenneth Miller explains how the processes of evolution account for complex structures such as the human eye.

Biologist Mike Novacek discusses his discovery of mammal fossils in the Gobi Desert and tells us what we can learn from them. From an episode about extinction broadcast on the PBS series "Evolution."

Provides a student handout in PDF format that looks at the developmental stages of five vertebrate organisms from fertilization to adult form. Students can look at the pictures to see the similarities and differences at the embryo stage...

Standford University provides interesting biographical and professional information on Stephen Jay Gould and his many contributions to scientific thought, including his efforts to help people see science "As something that is important...

Identify the differences in genetic and non-genetic classification methods. Why is genetic evidence powerful for understanding evolutionary relationships among organisms? Find out!

Charles Darwin was born in England on February 12, 1809. He was a "naturalist," best known for his theories of evolution. Darwin collected evidence that all life on Earth "evolved" from a common ancestry. He studied the process of...