Variation Teacher Resources

[Free Registration/Login may be required to access all resource tools.] Describes the meaning of biodiversity. Includes videos and review questions.

All of the following terms relate to the topic of harnessing science and education for biodiversity conservation.

Biodiversity is the variation of life in an ecosystem. In this simulation, the terms specifically refer to a measurement of different species in an area. This simulation randomly produces an animal community within a forest.

Explains what genetic diversity is, things that cause it, factors that affect it negatively, and why it is so important. Includes examples of the presence and absence of genetic diversity.

Find information about diversity among genes, species, and ecosystems that helps answer questions about the importance of biodiversity and how we can save species from extinction.

These five multiple-choice questions can be used for a quick, self-checking assessment over biodiversity.

An activity where students use peppers to explore reproductive potential and natural selection in part 1. In part 2, students look at traits such as dimples, tongue rolling, thumbs, ear lobes, and widow's peak to investigate individual...

In this activity, students will use their observation skills to find the physical variation in several individuals from one species.

Written for younger students, this site explains biodiversity and links to easy to understand explanations of species and genetic diversity.

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

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...

Students go outdoors to compare the diversity of life in two locations. Following the observations, hold class discussions on environment, diversity, kingdoms, and other related issues.

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

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...

A collection of video lectures introducing beginning biology students to the principles of evolution, ecology, and behavior. The course was taught three times a week for a semester at Yale University. The course discusses concepts of...

These pages are part of a site called "Evolution," that accompanies a textbook by the same name. Mark Ridley is the author, and in this section he discusses the evidence for evolution.

Have a fun learning experience as you read about the smallest flowering plant. Botanical facts, pictures, projects, and practical uses of the Duckweed plant are all part of this site.