An ecosystem is a community of animals, plants, micro-organisms, non-living things and their shared environment. Find out about energy transfer, niches and competition in ecosystems.
An organism's ecological niche is the role that it plays within the communityAll the organisms that live in a habitat (plants and animals). of an ecosystem.
The ecological niche of an organism is a complete description of:
The range of abiotic factors it can tolerate.
The resources in the ecosystem that it is able to make use of (eg the soil nutrients available to it).
Its interactions with other organisms (biotic factors).
