5.3 (13) - Energy and Ecosystems Flashcards
1
Q
What is a producer?
A
An organism that synthesises organic substances (using the sun’s energy)
2
Q
What is a consumer?
A
An organism that feeds on another organism
3
Q
What is a trophic level?
A
A stage in a food chain
4
Q
What are saprobionts?
A
A group of organisms that break down the complex material in dead organisms into simple material
5
Q
What is biomass?
A
The total mass of living material in a specific area at a given time
6
Q
What is a food web?
A
A series of linked food chains
7
Q
What is a food chain?
A
Shows the feeding relationship in an ecosystem
