Ecosystems
Any place on Earth where living things interact with other living and non-living things is called an ecosystem.
The living things are called the biotic factors, or parts, of the ecosystem; the non-living things are called the abiotic factors
Ecosystems may be large, such as an ocean or desert
. They may also be small, such as a puddle or a rotting log.
Relationships in an Ecosystem
SYMBIOSIS:
Different living things living together where the relationship can either:
-benefit one organism
-harm one organism
-benefit both organisms
MUTUALISM:
Both species benefits
COMMENSALISM:
One species benefits and the other does not benefit nor is it harmed
PARASITISM:
One species benefits and the other is harmed
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