U4: Populations: Populations and ecosystems

What is an ecosystem?
An ecosystem is all of the biotic (living) and abiotic (non-living) features in a specific area.
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Define a population
A population is a group of interbreeding organisms of one species in a habitat.
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Describe a habitat.
A habitat is the place where a community of organisms live. There can be smaller units within a habitat, called microhabitats.
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What is an ecological niche?
An ecological niche describes how an organism fits into the environment. A niche refers to how an organism loves and what it does there. It includes all the biotic and abiotic conditions required for an organism to survive, reproduce and sustain.
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What is a community?
A community is all populations of different organisms living and interacting in a particular place at the same time.
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Other cards in this set

Card 2

Front

Define a population

Back

A population is a group of interbreeding organisms of one species in a habitat.

Card 3

Front

Describe a habitat.

Back

Preview of the front of card 3

Card 4

Front

What is an ecological niche?

Back

Preview of the front of card 4

Card 5

Front

What is a community?

Back

Preview of the front of card 5

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