Energy Flow through Ecosystems

Food webs model interactions within the community.

What roles do organisms play in a food web?

Producers Create their own food using sun’s energy Start energy flow

Consumers Eat other organisms to get their energy Herbivores, Omnivores, Carnivores

Decomposers• Break down dead plants, animals, and waste

and return nutrients to the ecosystem

What is a food chain?

Show how living things get their energy

It is linear. The arrow represents

energy.

How is a food web organized?

Show how energy moves through a community

Made up of food chains

Producers are at the base and top consumers are at the top

Notes on Drawing Food Webs

Arrow goes to the organism that does the eating because they get the energy.

Producers always start ALL food chains/webs

Arrows are neat

Practice

http://www.sheppardsoftware.com/content/animals/kidscorner/games/foodchaingame.htm

Waikoloa Community Web