Explains what is meant by a tertiary consumer in a food chain and provides examples.

In this lesson, 4th graders explore animals and plants that inhabit ecosystems by using movement to deepen the retention of vocabulary. After reviewing the ecosystem players, students will play a call and response game by responding with...

In this instructional activity, 4th graders use tableaux to dramatize their roles in the food chain of an ecosystem. Next, they write in role arguing why they are important to the ecosystem. This is followed by a debate in the format of...

See how combining yeast, sugar, and water can demonstrate the carbon cycle and show how microorganisms work in the food chain.

This lesson will review the difference between autotrophs and heterotrophs, and show how both play important roles in a food web. It is 2 of 4 in the series titled "Autotrophs vs. Heterotrophs."

Learn about the mysterious jellyfish blooms that have occurred in the world's oceans. Because the resulting alteration to the marine food web has had devastating effects, researchers grow and study jellyfish at the Monterey aquarium....

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.

[Free Registration/Login may be required to access all resource tools.] About 10,000 bird species belong to 29 different orders within the class Aves. The diversity among birds is striking. Birds can vary greatly in size and color. Some...

How are animals and plants linked? What is the difference between a producer and consumer? How is a predator different from prey? Take this food chain quiz to find out the answers to these questions and more. Links allow you to convert...

The difference between food chains and food webs is explained.

[Free Registration/Login may be required to access all resource tools.] Producers make their own food through photosynthesis. But many organisms are not producers and cannot make their own food, but must get their energy from other...

Explore the different ecological roles of organisms in the ecosystem, and find out how the energy flows through them.

[Free Registration/Login may be required to access all resource tools.] Describes how energy is transferred from one organism to another.

Students learn about Abiotic and Biotic Factors and how they affect the ecosystem in which an animal might live in.

Students and teachers can explore the work of marine scientists and observe the ocean from their computers. Learn about Rutgers Coastal Ocean Observation Laboratory, discover why oceanography is important, and see what life is like in...

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...

Students will understand and describe food chains and food webs, and explain how energy is transferred between their trophic levels.

[Free Registration/Login Required] To show the dependence of animals on the plant world, these flipchart pages contain examples of food chains and food webs, as well as other information about animals and habitats.

Describes five different types of decomposers that feed on decaying organic matter in the oceans and that are at the bottom of the ocean food chain.

Biological magnification is the term used to described the increasing accumulation of substances in organisms as one looks at higher trophic levels in a food chain. When that substance is a toxin, such as a heavy metal or a pesticide,...

This colorful site examines the food chain and delves into an explanation of what producers are and where they fit in an overall ecosystem.

Students learn about aquatic life and the importance of a balanced aquatic habitat by collecting micro- and macro-organisms. By the end of the lesson, they will be able to identify and develop a pond food web.

This lesson will review the difference between producers and consumers, and show how both play important roles in a food web. It is 3 of 4 in the series titled "Producers and Consumers."

This lesson will review the difference between producers and consumers, and show how both play important roles in a food web. It is 4 of 4 in the series titled "Producers and Consumers."