Unit 2 List 1 Ecology N.A Flashcards
Abiotic factors
Non-Living factors in an enviroment.
Autotrophs
Organisms that can create their own food.
Biotic Factors
Living factors in an eniroment.
Bioaccumulation
The build-up of something inside an organism.
Carbon Sink
Anything that absorbs more carbon from the atmosphere than it releases.
Carnivore
Organisms that eat only meat.
Commensalism
A relationship in which one organism benefits but the other is neither helped nor harmed.
Competition
A situation in which two or more people or groups are trying to get something.
Consumer
An organism that obtains food by feeding on other organisms.
Decomposer
Organisms that break down dead matter.
Ecosystem
A community of organisms and their physical environment interacting together.
Energy Pyramid
A model that shows the flow of energy from one trophic level to the next.
Food chain
A linear sequence of how energy and nutrients move through an ecosystem.
Food web
A complex web of interconnecting and overlapping food chains.
Habitat
The natural home or environment of a plant or other organism.