A relatively self contained functional unit made up of all the interacting biotic and abiotic factors in a specific area

A living component of an environment

A non-living factor in an ecosystem

An organism that can convert inorganic compounds into organic compounds

An organism that obtains energy from its organic compounds via ingestion

An organism that breaks down organic matter from other organisms

The stage of a food chain at which an organism feeds

An animal that eats another animal

An animal that is eaten by another animal

Competition between different species for the same resource in the same habitat

Competition between members of the same species for a resource in the same habitat

A group of individuals of the same species that occupy the same habitat at the same time

All the populations of different organisms living and interacting in a particular place at the same time

The place where an organism/ community lives

A community of plants and animals that have common characteristics for the environment they exist in and can be found over a range of continents