Instructional module focusing on Charles Darwin's theory of Descent with Modification. Discusses how slight changes from parent to offspring create variation and potentially create new species over time. Site also includes an interactive...

This is a lesson designed by a biology teacher. In it, students use maps and evidence of island age, molecular genetics, morphology, and distance apart to determine how the islands came to be occupied by different species of lizards. It...

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...

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....

This personal page provides a table of contents to everything one would want to know about marine flatworms. Includes photos, charts, references, and much more.

Discusses many aspects of taxonomy. Provides a lab activity where students are required to devise a classification scheme for nuts, bolts, and other hardware items.

This Berkeley site offers a great overview of when the class appears in the fossil record.

A good slide show which covers the basics of plant evolution. Includes discussion of the major portions of what plants have done to adapt over the eons.

Visual and textual information of the major animal phyla with a focus on marine organisms.

Alphabetical listing from the University of California of info on each of the animal phyla. Includes scientific and common names and photos. Characteristics of each group are explained in detail.

This is an advanced level review of the biology of these organisms. The opening photographs are worth seeing!

Explore the classification of living things in this online, college-level textbook. Learn about taxonomy and its history through diagrams and descriptive information.

Identify the four new kingdoms that were added to the original Linnaean taxonomy.

This concise worksheet site will enable students to learn how to create a classification system and to understand the reasons for classification in science. Requires Adobe Reader.

College-level instructor's notes describing taxonomy. Explanations and images give a chronological history of the science of classifying organisms.

An illustrated article helps students understand the concept of phylogenetic classification.

The Understanding Evolution site provides evidence for evolution in biogeography utilizing relative dating, geography, and plate tectonics.

Take an interactive quiz over the classification of living things. After completing the quiz, check your score, and then revisit any incorrect question for further review.

Take this interactive, multiple-choice quiz over classification of organisms, then review your score and any missed questions at the end.

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 comprehensive study guide covers the main terms and concepts needed for a unit on classifying organisms.

A lesson plan where students analyze a cladogram to understand a derived characteristics between a group of organisms. After analyzing the prepared cladogram, students create their own.

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.