F215 Mod 3 - ecosystems (a few simple definitions) - NOT ALL!

HideShow resource information

Biotic factor

Definition of biotic factor - A factor created by a living thing or any living component within an environment in which the action of the organism affects the life of another organism.

1 of 7

Abiotic factor

Definition of abiotic factor - A non-living chemical or physical factor in the environment, such as soil, pH, forest fire, etc.

2 of 7


Defintition of an ecosystem - All the living organisms and all the non-living components in a specific habitat, and their interactions.

3 of 7


Definition of producers - Autotrophic organisms that convert light energy to chemical energy, which they then supply to consumers.

4 of 7


Definition of consumers - living organisms that feed on other living organisms.

5 of 7


Definition of decomposers - Organisms that feed on dead organic matter, releasing molecules, minerals and energy that then become available to other living organisms in that ecosystem.

6 of 7

Trophic Level

Definition of trophic level - the level at which an organism feeds in a food chain

7 of 7


No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Ecology, ecosystems and environmental biology resources »