The Components of an Ecosystem

What is an ecosystem?

• A community of non-interacting organisms and their physical environment.

• A biological community of interacting organisms and their chemical environment.

• A biological community of interacting organisms and their physical environment.

• A community of non-interacting organisms and their chemical environment.

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What is a habitat?

• The natural home or environment of an animal, plant, or other organism.

• The interrelationship of a species with all the biotic and abiotic factors affecting it.

• A biological community of interacting organisms and their physical environment.

• The natural home or environment of non-living organisms.

What is a biotic factor?

• Any non-living component that affects the population of another organism, or the environment.

• Any living component that has a population.

• Any living component that affects the population of another country.

• Any living component that affects the population of another organism, or the environment.

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What is an organism?

• Several animals, plants, or single-celled life forms.

• An individual animal, plant, or single-celled obejct.

• An individual animal, plant, or single-celled life form.

• Several animals and plants.

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What is a physical environment?

• The part of the environment that includes purely chemical factors.

• The relationship of plants and animals to their physical, chemical and biological environment.

• The relationship of plants and animals to their physical and biological environment.

• The part of the environment that includes purely physical and chemical factors.

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"Bio" means _________________

• 2

• life

• like

• the study of

"ology" means ________________.

• study of

• observations

• experiments

• writing

What is a population?

• The sound of popcorn when it pops.

• The amount of people.

• The amount of a specific group living in an area.

• The amount of area.

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Soil contains both abiotic and biotic materials. Which is a biotic component of soil?

• Minerals

• Grains of sand

• Decomposing leaves

• Water

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Which of the following is a biotic factor of the ecosystem that humans interact with on a daily basis?

• Food we eat

• Oxygen we inhale

• Water we drink

• Carbon dioxide we exhale

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