Eighth graders identify various types of symbiotic relationships. In this ecology lesson, 8th graders predict whether certain organisms can form symbiosis with other organisms. They discuss and defend their reasoning.

Students distinguish between exotic and native plant species. They work in groups in the field to restore a natural habitat. A class map is created to reflect their work in the field.

Students study the physical characteristics of four types of desert regions. In this desert regions instructional activity, students watch a video about deserts and discuss the deserts. Students compare the deserts and research the ways...

Students visit an interactive web page. In this food chain lesson, students visit an interactive web page displaying an example of the food chain in Antarctica. As students move their mouse over the images, captions appear describing the...

Discover the types of water biomes.

Multiple activities help students gain a better understanding of land and water biomes.

Make learning about Earth's biomes fun and easy with video clips, photographs, and diagrams. Learn about estuaries, the water environments formed where freshwater from rivers or streams mix salt ocean water. [6:38]

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,...

On this virtual field trip, teachers will help their students travel to the lush, rain-soaked splendor of the Olympic Peninsula and explore the urban watershed of Seattle. Next, they will head to Arizona's dry, desert landscape and take...

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.

In this amazingly comprehensive interactive tutorial you will learn about the characteristics and features of the different biomes on our planet.

Describes Canada's 15 land ecozones and 5 water ecozones.

Students explore the biosphere's environments and ecosystems, learning along the way about the plants, animals, resources and natural cycles of our planet. Over the course of lessons 2-6, students use their growing understanding of...

A large collection of resources to aid professionals, community members, and educators in communicating the role and importance of ecosystem services. Issues addressed include pollination, marine nurseries, and water purification....

It is humans' responsibility to take care of the Earth's many ecosystems. Many of the daily things we take for granted - e.g., clean water and air, pest control, and protection from severe weather - are results of healthy ecosystems....

Bucket Buddies is an opportunity for students to participate in a world-wide environmental study. By identifying organisms in pond water, participating classes can compare their findings, and look for relationships in data. In addition...

The article, "Teeming Life in Gabon's Rainforest," covers a variety of topics related to rain forest life including A Plethora of Plants, What's in the Water, New and Exciting Herps, Birds in the Mist (Nets), Magnificent Mammals, and more.

Students learn about energy and nutrient flow in various biosphere climates and environments. They learn about herbivores, carnivores, omnivores, food chains and food webs, seeing the interdependence between producers, consumers and...

The Arctic Archipelago Marine ecozone includes Hudson Bay and most of the water surrounding the islands of Nunavut and the Northwest Territories. This is a brief, concise description of the location, climate, geology, and flora and...

Learn about the important resources our land offers us: food, water, oxygen, building materials, and more. Discover how scientists have been mapping land for years trying to prevent disasters and to collect environmental information.

A pond water/hay infusion will be developed and observed. Student groups will add a range of acid and base solutions to look for changes.

Try these five multiple-choice questions about aquatic ecosystems. After answers are submitted, students can review their mistakes.

What is a lake? Discover the answer to this question when you explore this informative resource. This site provides information on how temperature and seasonal changes effects lakes, how lakes are formed, how lakes compare in numbers to...