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.

[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,...

[Free Registration/Login may be required to access all resource tools.] Students will recognize aquatic biomes and understand the adaptations necessary to survive in one.

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.] In this module, students will learn about the cycles of nature (water, carbon, nitrogen, and phosphorus) that support the flow of nutrient matter through an...

[Free Registration/Login may be required to access all resource tools.] An overview of aquatic biomes.

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

Learn about the coastal ecosystem. Find out about plants, animals, adaptations, and conservation efforts.

Learn about the oceanic pelagic ecosystem. Find out about plants, animals, adaptations, and conservation efforts.

Learn about the coral reef ecosystem. Find out about plants, animals, adaptations, and conservation efforts.

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

Learn about the intertidal ecosystem. Find out about plants, animals, adaptations, and conservation efforts.

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

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

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

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.] Water pollutants can have an effect on both the ecology of ecosystems and on humans. As a result of water pollution, humans may not be able to use a waterway for...

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

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...