[Free Registration/Login may be required to access all resource tools.] Describes freshwater ecosystems such as lakes, wetlands and swamps.

[Free Registration/Login may be required to access all resource tools.] A classroom introduction to freshwater ecosystems.

This presentation provides information about the characteristics of several different freshwater ecosystems.

A video and a short multiple-choice quiz on the topic of aquatic ecosystems. It discusses the difference between freshwater and saltwater ecosystems, then explains what the three ecozones are in a marine ecosystem.

Listen to this podcast discussing the similar characteristics of the freshwater biomes of the world. [0:47]

This colorful slideshow provides a nice introduction to the freshwater biomes around the world.

This lesson will provide an understanding of the characteristics and role of freshwater biomes, and its effect on living things. It is 2 of 4 in the series titled "Freshwater Biomes."

Students explore Earth's most important natural resource, water, and learn about how the planet's aquatic biomes thrive and support life.

[Free Registration/Login may be required to access all resource tools.] Aquatic biomes can be generally classified based on the amount of salt in the water. Freshwater biomes have less than 1% salt and are typical of ponds and lakes,...

Learn about lake and pond ecosystems. Find out about plants, animals, adaptations, and conservation efforts.

Learn about stream and river ecosystems. Find out about plants, animals, adaptations, and conservation efforts.

Illustrated tutorial explains estuary ecosystems. Animations and illustrations help students become more familiar with the plant and animal communities which make up this coastal habitat.

In this WebQuest, you must pick a type of water habitat to create a new aquarium, choose three animals that can coexist in this habitat and design your own aquarium.

[Free Registration/Login may be required to access all resource tools.] Features, including zonation, of ponds and lakes.

[Free Registration/Login may be required to access all resource tools.] Features of ponds and lakes.

[Free Registration/Login may be required to access all resource tools.] Features of streams and rivers.

[Free Registration/Login may be required to access all resource tools.] Features of streams and rivers.

[Free Registration/Login may be required to access all resource tools.] Features, including zonation, of ponds and lakes.

[Free Registration/Login may be required to access all resource tools.] How rivers carry and deposit sediments.

This excellent resource explores all of the biomes found on planet Earth! A side menu indicates the world's biomes and provides details on each. Colorful interactive maps, video clips, lesson plans, species profiles, and so much more...