B4.1.1 Ecosystems Flashcards
1
Q
What is an ecosystem?
A
All living organisms and physical conditions in an area
2
Q
What is a community
A
all the populations of different species which interact together in the same habitat.
3
Q
What is a habitat
A
The area in which an organism lives
4
Q
Population
A
Total number of organisms of each species
5
Q
Producers
A
Organisms that make their own food by photosynthesis, include all plants and algae
6
Q
Consumers
A
Organisms that cannot make their own food.
They must eat other organisms to gain energy
All animals are consumers
7
Q
Decomposers
A
A special group of consumers that gain their energy by feeding on dead or decaying material
