Ecosystems

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Ecosystem
A system that includes all biotic factors in an area, as well as its abiotic factors, functioning together as a unit.
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Biotic Factors
Biotic factors are all of the living organisms within an ecosystem. These may be plants, animals, fungi, and any other living things.
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Abiotic Factors
Non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems.
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Interspecific Competition
A form of competition in which individuals of different species compete for the same resource in an ecosystem, (e.g. food or living space).
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Intraspecific Competition
Members of the same species competing for limited resources.
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Producer
An autotrophic organism that serves as a source of food for other organisms in a food chain. Producers include green plants, which produce food through photosynthesis.
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Consumer
A heterotrophic organism that obtains food from feeding off other organisms.
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Decomposer
An organism whose function involves the recycling of nutrients through the natural process of decomposition, as it feeds on dead or decaying organisms.
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Trophic Level
A position in a food chain or Ecological Pyramid occupied by a group of organisms, e.g. photosynthetic plants occupy first trophic level, herbivores on second trophic level, and carnivores on third trophic level.
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Card 2

Front

Biotic factors are all of the living organisms within an ecosystem. These may be plants, animals, fungi, and any other living things.

Back

Biotic Factors

Card 3

Front

Non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems.

Back

Preview of the back of card 3

Card 4

Front

A form of competition in which individuals of different species compete for the same resource in an ecosystem, (e.g. food or living space).

Back

Preview of the back of card 4

Card 5

Front

Members of the same species competing for limited resources.

Back

Preview of the back of card 5
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