An excellent site for studying the Iowa prairie. Offers wonderful facts and interactive activities for students to do individually or as a group. Identifies national standards and lesson plans for the teaching of prairie life. Provides...

This site from the Canadian Museum of Nature, a natural history museum, provides short information blurbs and fun facts on over 240 different common animals categorized by type (mammals, fish, reptiles, invertebrates, amphibians,...

[Free Registration/Login may be required to access all resource tools.] A population is a group of organisms of the same species, all living in the same area and interacting with each other. Since they live together in one area, members...

[Free Registration/Login may be required to access all resource tools.] Predation is another mechanism in which species interact with each other. Predation is when a predator organism feeds on another living organism or organisms, known...

This interactive site on Seychelles discusses species diversity and much more! Learn all about how an island forms, how supercontinents divide, and why this atoll boasts both giant and miniature forms of species.

Test your knowledge of the animal kingdom by taking this interactive quiz. Twenty multiple choice questions that offer immediate feedback to responses. If you need help, a link is available to facts about more than 50 animal species.

Instructional module focusing on why species change over time through behavioral and physical adaptations. Discusses how environmental mechanisms influence adaptive evolution. Site also includes an interactive practice quiz and links...

An activity for students to document biodiversity and observe ecological interactions in their own backyard.

Find out about the plant and animal interactions within the rainforest ecosystem.

A quick way to learn horse vocabulary. Students take an interactive quiz, check their answers, and then read why each answer is correct or incorrect.

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

Access Excellence provides this fictional interactive story that explores the possible reasons for a disappearing species of frogs. Follow the clues, and email your answer!

This interactive module explores the environmental factors and species involved in five major mass extinctions.

Learn all about the study of animals--zoology through this interactive website. You will learn about the processes that make animals alive, what makes them endangered or extinct, and the tree of life.

Learning activities to investigate how organisms interact in a functioning ecosystem. Students will explore the role organisms play in food chains and preserving biodiversity in ecosystems. Lake Pontchartrain Basin ecosystem is featured...

Interspecific competition in an ecosystem is explained, along with the different ways it can manifest itself. Includes examples in different types of biomes.

Learn how mutualism benefits the organisms in a symbiotic relationship and what the different types of mutualism are. Provides lots of examples.

[Free Registration/Login may be required to access all resource tools.] Introduction to ecosystems and other ecological concepts.

[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about the evolution of agriculture and how it has impacted human population growth. Includes a few questions to check for understanding.

Species interact every day. That interaction is a vital part of how organisms develop and change over time. When you study species, it is important to watch the way they interact with their surroundings. There are four basic types of...

[Free Registration/Login may be required to access all resource tools.] Covers how species interact with each other.

The New York Times Learning Network has developed interactive & printable crossword puzzles. The theme of this puzzle is Botany.

Describes the role of mutualism in an ecosystem and the different types, and provides examples.

Explains what parasitism is and provides a few examples of parasitic relationships.