Learn about the transfer of energy in the ecosystem.

Explore saltwater ecosystems around Earth. Learn about oceans, estuaries, shores, and more.

Develop a digital story to illustrate and inform others about different habitats or ecosystems. Resources for building a digital story are provided.

A quick overview of the Savanna biome, including a description of the wildlife and climate there.

Describe the habitat, food web and ecosystem of shark species. Identify threats to sharks and explore how top predators help to maintain the balance of nature within ecosystems. This lesson plan also contains an interactive game.

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...

A study discovering and exploring the cloud forest canopy and how humans have influenced the ecosystem's biodiversity.

This unit shows how ecosystems change over time and how matter and energy, which are essential to its operation, are transformed and passed from one living thing to another forming, in some cases, authentic cycles. It contains 19...

Find out about the plant and animal interactions within the grassland ecosystem.

Learn how organisms rely on one another but also compete with one another within the same ecosystem.

Investigate the Great Salt Lake's islands, rivers, and man-made structures that define several diverse microenvironments.

Discover more about the underocean environment at this site that surveys animals, environmental factors such as light and temperature, currents, animals, plants, and the like.

A concise description of the Arctic Cordillera that runs along the northeastern fringe of Nunavut and Labrador. It includes an excellent collection of images of the landscape as well as those of animals and birds native to the location....

A brief, concise description of the chain of islands that form most of the archipelago north of Nunavut and the Northwest Territories. It includes an excellent collection of images of the landscape as well as those of animals and birds...

This Atlantic Maritime ecozone includes Nova Scotia, New Brunswick, and Prince Edward Island. This brief, concise description includes a collection of images of the animals and birds native to the location. Many of the images include...

[Free Registration/Login Required] An informational text about changes in biodiversity and the chain reaction of problems they can cause. A question sheet is available to help students build skills in reading comprehension.

Examine the relationship between the island fox and golden eagle populations on Santa Cruz Island over a twelve-year period using the TI-73 Explorer to graph and analyze the values.

Daisy is learning all about the animals and plants that live in her beautiful garden. Join her and learn about habitats, too.

The Northwest Atlantic Marine ecozone begins in the Gulf of St. Lawrence and extends to the southeastern end of Baffin Island. This is a brief, concise description of the location, climate, geology, and flora and fauna. It includes some...

Throughout this unit, you will see how man change and affects the environment in which they live. You will have a better understanding of our need of matter and energy and the consequences of their use and abuse. It contains 19...

Provides a thorough look at the biological and geological characteristics of Lake Baikal in Siberia, Russia. Includes wonderful pictures.

Home page of the Buzzards Bay Project National Estuary Program. Contains links to mission statement, events/updates, bay & basin info, references to documents related to the organization, links to related sites, legislation, and...

The Arctic Basin Marine ecozone is found to the west of the Northwest Territories archipelago. This brief, concise description includes a collection of images of the animals and birds native to the location. Many of the images include...

Set in the Australian desert, players become bilbies to search at night for food while looking out for hungry predators like dingos, foxes, and swooping eagles.