Identify the producers, consumers and decomposers in an ecosystem by drawing a food chain.
Scroll down to Part I and find number 8. Click to watch the video, "Decomposers." You will need Quick Time to watch the video. It is available for a free download on the web site.
Then, read number 9 and follow the directions by drawing a food chain to illustrate how energy flows through an ecosystem. Orally describe how energy derived from the Sun is used by plants to produce sugars and is transferred within a food chain from producers to consumers. Recognize that events that affect one species in an ecosystem will have either positive or negative effects on the other organisms in its food chain.
You will need the following supplies: