Ecosystem Lesson Introduction

The part of Earth where organisms can live.

• biotic factors
• biosphere
• ecology
• biology

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A system made up of organisms interacting with one another

• biology
• abiotic
• biotic
• ecosystem

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Organisms that make up the living part of an ecosystem.

• abiotic
• biotic factors
• ecology
• ecosystems

Nonliving things found in an ecosystem.

• factories
• factor trees
• biotic factors
• abiotic factors

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A species that is in danger of becoming extinct.

• Threatened species
• out of luck
• do do birds
• endangered species

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Examples of a producer

• frog
• algae
• worm
• mouse

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Example of a decomposer

• fungus
• mouse
• plants
• frogs

A tree is a ....

• composer
• decomposer
• producer

Example of a decomposer

• fungus
• mouse
• plants
• frogs

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What is a producer?

• an organism that gets energy from eating other organisms
• an organisms that uses sunlight to make its own food
• an organism that gets energy from eating dead organisms, non-living material or waste
• an organism that uses chemical energy to make its own food

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