BRAINCAKEPopulations and Communities
Ecology uses a few precise terms to describe groups of organisms. You need to use them exactly.
A habitat is the place where an organism lives, for example a rocky shore, a pond or the leaf litter of a woodland floor.
A population is all the organisms of one species living in a habitat at the same time. Members of a population can interbreed, and they compete with each other for the same resources. For example, all the grey squirrels in a particular wood form one population.
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More in Populations in Ecosystems
- Ecosystems
- Niches
- Carrying Capacity
- Abiotic Factors and Population Size
- Biotic Factors and Population Size
- Intraspecific Competition
- Interspecific Competition
- Predator-Prey Relationships
All 20 lessons in Populations in Ecosystems · All AQA A-level Biology topics