This site gives an in-depth description of a rabbit, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

This site gives an in-depth description of a raccoon, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

This site gives an in-depth description of a rat, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

See pictures of the rhinoceros and find out about the different species, where they live, and why they are endangered.

This site gives an in-depth description of a scorpion, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

This site gives an in-depth description of a sea anemone, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

This site gives an in-depth description of a sea lions, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

This site gives an in-depth description of a sea urchin, including its behavior, appearance, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

This site gives an in-depth description of a seal, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

This site gives an in-depth description of a skunk, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

This site gives an in-depth description of a snail, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

This site gives an in-depth description of a sperm whale, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

This site gives an in-depth description of a squirrel monkey, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

This site gives an in-depth description of a starfish, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

This site gives an in-depth description of a tarantula, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

This site gives an in-depth description of a tarsier, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

This site gives an in-depth description of a Tasmanian devil, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

This site gives an in-depth description of a tiger, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

Various vocabulary games and tests with links by grade level and others which can help in the preparation for the SAT and GRE tests. You will also find tests on Computer terms as well as medical terms.

This site gives an in-depth description of a walrus, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.