Ecology
Levels of Study
These levels of study go from smallest to largest:
Species, a group of individuals that are genetically related and can produce fertile young, Population, a group of organisms belonging to the same species that live in the same area and interact with one another, Community, all of the populations of different species that live in the same area and interact with one another (All biotic factors), Ecosystem, the living organisms (all the populations) in an area and the non-living aspects of the environment (abiotic and biotic). |