Food Chains and Food Webs
Parts of an Ecosystem
What is an Ecosystem?
Living and non-living things Pond, swamp, or fieldSmall as pond, large as oceannon-living: sunlight; living: frogs. Habitats:Where organisms live/dwellVarious parts of an ecosystemOrganisms get food, water, and shelter
What is a food chain?
Need energy from food to liveMost are sources of energy themselvesShows how energy passes
What is a food web?
Fact 1
Food chains connect into web
Fact 2
Predators: hunt other organisms for food
Fact 3
Prey: organisms that are hunted
Organisms of a food web
Many different organisms
Herbivores: eat mostly plantsCarnivores: eat mostly other animalsOmnivores: eat plants and animalsShow competition for food as well
Why are decomposers important?
Prevents habitats from filling with dead materialRelease nutrients into water/soil when eatingNutrients help plants/organisms growEX: Worms, bacteria, snails, mold, and mushrooms
Learn all about the Food Chain at www.gudli.com