Any living thing

Non-living factors of an ecosystem/environment

Series of interacting food chains within an ecosystem

Living factors of an ecosystem/environment

All the factors in an organism’s surrounding that affects its survival

Organisms depending on each other for survival

The study of the interactions between living things and their environment

The process by which plants make their food using carbon dioxide, water and light

Characteristics that help organisms to survive and reproduce

When organisms try to obtain the same resource

When one organism kills and eats another organism

The relationship where two organisms live closely together and both benefit

The relationship where one organism (the parasite) lives on or in another organism (the host) and feeds off it

The relationship in which one organism benefits and the other is unaffected

The place where all life as we know it exists

A place where organisms live