Are spiders related to crabs? Study the order of arthropods with a reading selection about animal diversity. It provides details about each class within the order, as well as vivid pictures and explanatory charts. 

The National Oceanic & Atmospheric Administration sponsors this introductory article and related links that tell why marine mammals are valued by the public for their great aesthetic, recreational and economic significance.

A riddle book about ocean animals. Includes audio narration in 17 additional languages with text in English.

Explore some different areas of study in the life sciences.

This is a comprehensive and detailed site providing information on aquatic macroinvertebrates. The emphasis is on biomonitoring of water quality through quantitative assessment of numbers and types of small aquatic organisms.

Understand the living and nonliving aspects of aquatic ecosystems.

Read about sea lice, a marine parasitic organism that is especially harmful to salmon. Describes its life cycle and issues related to farmed salmon. Also discusses what happens to a human who is bitten and how people can protect...

Everything you've ever wanted to know about vertebrate kidneys. Modules include Freshwater Vertebrates, Amphibians, Lizards and Snakes, Birds, Mammals, Marine Fishes. Resources can be used as classroom notes or supplemental materials.

This short book follows a pair of divers as they explore ocean life that lives amongst the coral reefs. More information on the flora and fauna found in this area can be found at the end of the book.

This ebook version of Daniel Defoe's The Life And Most Surprising Adventures Of Robinson Crusoe, Of York, Mariner has been made available in multiple formats by the Open Library. Editions of the full novel, organized by year of...

See some of the amazing animals that live in the ocean. Each page has one animal name and a photograph. Includes audio narration in English and Turkish with text in English.

Learn some facts about the vaquita, a type of porpoise that is endangered. Book includes audio narration in English and Spanish with text in English.

This online reproduction of the original 1913 text by Gardner W. Allen is organized chronologically beginning in 1775 and ending with 1783. An appendix includes source citations, a list of vessels, officers, privateers and other...

Read about the different sights you can see along the seashore. Includes audio narration in English and Turkish with text in English.

Learn about ocean systems and habitats. Lots of reading, writing, games, and interactive activities. Colorful and fun.

Find out how water pollution can be prevented and how it affects you.