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

Group organism cards into roles.

What is a food chain?

Shows how living things get their energy

It is linear.

Using cards build a food web for Waikoloa community.

What is a food web?

Show how energy moves through a community

Shows how organisms are interconnected in the community

Made up of food chains

Notes on Drawing Food Webs

The arrow represents energy. Arrow goes to the organism that

does the eating because they get the energy.

Producers are base of the food web getting energy from the sun.

Practice

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

Create a Waikoloa Food web.

Waikoloa Community Web

Next Project – Food Web ppt

Individual or pairs Choose an ecosystem to focus on.