Ecology is the study of the interactions between living things and their environment.

A habitat is where plants and animals live.

grass -- rabbit -- fox (hedgerow)

when two organisms live in close association and at least one of them benefits.

Role of carbon and nitrogen cycle :

to make nutrients available for use bye organisms

refer to soil: example: soil pH

are non-living factors:example:currents

consists of two or more interlinked food chains

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Ecology

Term	Definition
Ecology	Ecology is the study of the interactions between living things and their environment.
habitat	A habitat is where plants and animals live.
a food chain	grass -- rabbit -- fox (hedgerow)
Trophic level	feeding level
symbiosis	when two organisms live in close association and at least one of them benefits.
Role of carbon and nitrogen cycle :	to make nutrients available for use bye organisms
control of waste production:	1.reduce 3.recycle 2.reuse
Edaphic factors:	refer to soil: example: soil pH
Abiotic factors	are non-living factors:example:currents
food web	consists of two or more interlinked food chains