by joyisuful
Last updated 7 years ago

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-Each ecosystem includes the living and nonliving parts that affect the organisms living there.-An ecosystem can be small like a puddle or huge like the ocean.-Deep in the ocean floor bacteria are producers and they don't need sunlight to make food.-A food chain is a model that shows how energy moves in an ecosystem.-Most organisms in an ecosystem are part of more than one food chain.-Different food chains in an ecosystem are linked together in a food web.-The same amount of energy does not move between organisms in an energy pyramid because each organism uses some energy for life processes.-Organisms at the top of an energy pyramid eat more because not as much energy is transferred to them.


VocabularyProducers: organisms that produce their own food (plants).Consumers: organisms that get energy by eating and consuming food.Herbivore: a consumer that eats only plants (beaver, caterpillars, deer, rabbits, ducks, elephants).Carnivores: consumers that eat only other animals (brown bat, tigers, hawks, weasels, frogs, pelicans, killer whales).Omnivores: consumers that eat both plants and animals (skunks, people)Decomposers: Consumers that get nutrients and energy from dead bodies and the wastes of living organisms (molds, mushrooms).Energy Pyramid: a model that can be used to show how energy is used in a particular food chain or ecosystem.

I am an omnivore!

I am a carnivore!

I am an herbivore!

I am a decomposer!

I am an omnivore!



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