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...

A description of the process of evolution explaining the Hardy-Weinberg Principle and the mechanisms that cause it. Also the website contains links for lessons on simulation of the natural selection process in the classroom and how the...

These pages are part of a site called Evolution that accompany a textbook by the same name. Mark Ridley is the author. There is a large amount of information available about adaptations and their role in evolution.

This lesson will introduce the concept of evolution and describe how and why organisms evolve.

[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about adaptations, mutation, evolution, and natural selection. Includes a few questions to check for understanding.

An online summary of the evolution of flowering plants at an advanced level. The text is supported by good illustrations and is followed by a quiz. This is a good review for exams.

This entry identifies the defining characteritics of animal evolution, including adaptation, speciation, extinction, animal parternships and natural selection.

Evolution, natural selection, sexual selection, coevolution, convergent evolution, mimicry, and coloration, are the topics examined in this thorough site. Assess your comprehension of the material presented by delving into the learning...

The evolution of amphibians from prehistoric days is described, and the challenges they face when living in a desert environment, of which the ability to reproduce is the greatest. How they manage to survive in a desert is explained in...

The main concepts in Charles Darwin's theory of evolution are described, how natural selection works, and the ongoing criticism of evolution from Creationists.

Get an overview of the process of microevolution.

Outlines the events of Charles Darwin's own evolution into a scientist and how he developed his Theory of Evolution. Also discusses the immense resistance to his ideas that he faced from all fronts. Even today, many people refuse to...

The ways in which plants have adapted through evolution in order to survive in a desert environment are described in this article. Getting water and retaining water are key to their survival, including protecting themselves from animals...

Describes the seven characteristics that define life - cells, homeostasis, heredity, use of energy, reproduction, response to environmental stimuli, and evolution and adaptation.

This site explains genetic beliefs before and after Mendel, and also includes a section on Mendel himself and his experiments, entitled, "The Monk and his Peas".

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."

This University of California Berkeley page provides information on the evolution of vertebrate flight and includes links to the following topics: Introduction to Flight, The Physics of Flight, Gliders and Parachuters, The Evolution of...

Using diagrams and descriptive illustrations, this college-level biology reference book discusses the development of evolutionary theory.

Thorough resource examines plants with a description, pictures, and maps. Includes facts on ecology, evolution, functional adaptations, and external links.

What are some of the cheetah's distinctive characteristics? Come and check out this resource featuring fun facts and information about the cheetah.

This resource provides detailed information about birds, as well as several pictures.