Anusuya Willis explains how cyanobacteria, simple organisms that don't even have nuclei or any other organelles, wrote a pivotal chapter in the story of life on Earth. [4:14]

What if human consciousness isn't the end-all be-all of Darwinism? What if we are all just pawns in corn's clever strategy game to rule the Earth? Author Michael Pollan asks us to see the world from a plant's-eye view. [17:29]

This site contains general information about the extinct link between reptiles and mammals. The Synapsida organisms are the link.

This site provides information on the Australopithecus afarensis, a species that is believed to be a human ancestor.

The life and times of Louis Pasteur.

A dynamic archive of information on digital morphology and high-resolution X-ray computed tomography of biological specimens.

Scientists say that flatworms are the oldest living ancestors of those of us that have right and left sides - that means you!

The page gives an excellent summary of Costa Rican literature from the 1800s and 1900s. Authors and their works are described.

Topical summary of Hegel's influential but notoriously difficult work from EServer.org. Translates Hegel's vocabulary into ordinary, understandable terms, and divided his major conceptual moves into sections on the individual, society,...

Try these five multiple-choice questions about fossil evidence of change. After submitting answers, students can review the material.

Try these five multiple-choice quiz questions about Charles Darwin's Theory of Natural Selection.

This multiple-choice quiz on shaping evolutionary theory allows students to get hints for each question and check their answers after submitting.

This lesson plan can be used to illustrate the principle of electrophoresis without the equipment. Paper chromatography can be used to separate dye just like electrophoresis will separate DNA. The lab also covers DNA analysis for an...

Two paleontologists from Montana State University, John Scannella and Jack Horner, discuss their newly released theory that Triceratops and Torosaurus were actually the same dinosaur but at different stages of their life cycle. [Date of...

This lesson will introduce the 7 characteristics of all living things. It is 2 of 4 in the series titled "7 Characteristics of Life."

This site describes the Museum of Natural History and Science in detail and provides links to other programs and exhibits offered.

How natural selection works at the level of genes, alleles, genotypes, & phenotypes.

Find out what defines a species, and learn how new species can arise from existing species.

Learn what a phylogenetic tree is, Learn how to read phylogenetic trees and determine which species are most related.

Understand the logic behind phylogenetic trees. Learn how to build a tree using data about features that are present or absent in a group of organisms.

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

A short biography of Charles Darwin, and how he discovered evolutionary theory and natural selection.

Learn about the works of Charles Lyell, a geologist who studied Earth's history.

Find out about the environmental advocate known as both the father of sociobiology and the father of biodiversity, Edward O. Wilson.