Populations and Ecosystems- Unit 4 Bio AQA

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Ecology

The study of inter-relationships between organisms and their environment

Abiotic – non-living components e.g. temperature, oxygen + water availability

Biotic – living components e.g. competition and predation

Ecosystems

Made up of all the interacting abiotic and biotic features of a specific area.

Species are made up of many groups of individuals called populations.

Species

A group of organisms who are reproductively isolated (Can't breed successfully with another species) so that they can successfully reproduce to produce fertile offspring.

Populations

A population is made up…

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