Ecosystems
Biology: Cambridge International GCSE Supplement, topic 19.4.1
Populations
Below are some definitions of the different levels of biological organisation above the level of the individual.
Population
- A population is a group of organisms of one species, living in the same area, at the same time.
Community
- A community is all of the populations of different species in an ecosystem.
Ecosystem
- An ecosystem is a unit containing the community of organisms and their environment, interacting together.
Test yourself on Ecosystems
Select the higher level of organisation
Levels of Organisation