Discussion of what makes up a food chain and its significance. Includes some historical perspectives on developing the concept, and on how a pesticide called DDT affected food chains during the 1960's.

A very informative site that discusses food chains and webs in detail. Not too complicated and fairly easy to understand, it also includes some pictures.

PBS site provides some basic information on the food chain.

This animation discusses the food chain in a storybook format. The chain is described as a cycle and both herbivores and carnivores are discussed.

This interactive ebook "Pond Web" demonstrates a pond food chain. Students can click on the ? to find answers to questions posed in the text. Students are asked to retell the story using pictures provided at the end of the book.

[Free Registration/Login Required] This flipchart reviews various food chains.

[Free Registration/Login Required] This flipchart allows students to identify and manipulate food chains.

In this ecosystem consisting of hawks, snakes, rabbits and grass, the population of each species can be studied as part of a food chain. Disease can be introduced for any species, and the number of animals can be increased or decreased...

[Free Registration/Login Required] This flipchart is a great introduction to ways animals get food, characteristics of animals, habitats around the world. It contains pictures that will help students understand life cycles and where to...

[Free Registration/Login Required] Through this flipchart students will be able to summarize and organize simple food chains.

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.

This concise site that provides an explanation of what producers are along with a short quiz to test your knowledge of producers and consumers.

Connect the dots to investigate three different habitats either the forest, bai or river of the rain forest. By connecting the dots students make a food chain to see how organisms in each habitat depend on each other.

Think and Link to investigate three different ecosystem either the deep sea, coral reef or continental shelf. By connecting the dots students make a food chain to see how organisms in each habitat depend on each other.

This unit on matter cycling and photosynthesis has students investigating the idea that all food comes from plants.

[Free Registration/Login may be required to access all resource tools.] Students will recognize and understand the role of producers in the food chain within different ecosystems.

A complete lesson on owl pellets. Students can read information, watch a tutorial, and use their computer mouse to complete a dissection simulation right there on the screen.

This module offers an in depth study of the fundamental components of ecosystems. Activities include mini-lessons with videos and student assignments.

Travel with your students on a Virtual Field Trip to learn about Temperate Forest Biomes. You will also discover many informative and interactive websites.

Detailed explanation of the processes by which energy flows through an ecosystem. Scroll down and open Section 3.

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

Explains the processes by which energy flows through an ecosystem. Covers the meanings of key vocabulary, e.g., types of producers and consumers, trophic levels, food webs, and the energy pyramid.

[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.

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.