Organisation of an Ecosystem (AQA GCSE Biology Combined Science): Flashcards
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Organism definition
Organism definition
A single living thing
Population definition
Population definition
Group of same species living in same place
Community definition
Community definition
All different populations living together in one habitat
Ecosystem definition
Ecosystem definition
Community plus all non-living parts of environment
Levels of organisation in order
Levels of organisation in order
Organism → population → community → ecosystem
Habitat definition
Habitat definition
The place where an organism lives
Abiotic factors definition
Abiotic factors definition
Non-living things that affect organisms
Biotic factors definition
Biotic factors definition
Living things that affect other organisms
Resources animals compete for
Resources animals compete for
Food, mates, territory
Resources plants compete for
Resources plants compete for
Light, water, mineral ions, space