Key Definitions (T23) Flashcards
1
Q
Consumer
A
An organism that obtains its food by feeding on other organisms (heterotrophic)
2
Q
Decomposer
A
An organism that obtains its food by breaking down dead organisms
3
Q
Ecosystem
A
A community of interdependent organisms and their environment
4
Q
Food chain
A
A list of organisms that shows the feeding relationship between them, and the direction of energy flow.
5
Q
Food web
A
A group of interlinking food chains that shows the feeding relationships between organisms.
6
Q
Producer
A
An organism that makes its own food using energy from sunlight (through photosynthesis) (autotrophic)
7
Q
Trophic level
A
An organism’s position in a food chain/web/pyramid
