Topic 7- communities Flashcards
1
Q
Define a community.
A
Multiple populations (of different species) living and interacting in the same area
2
Q
What is an ecosystem?
A
The interaction between a community (the living, biotic part) and the non-living (abiotic) parts of the environment
3
Q
An ecosystem is a 1.______________ of interacting organisms and the environment they live in, and interact with
A
- relatively self-contained community
4
Q
What is there a flow of in an ecosystem and what is recycled in it?
A
-flow of energy
-nutrients
5
Q
What do ecosystems vary in?
A
-size and scale
-complexity
6
Q
Why are ecosystems never completely self-contained?
A
-organisms from one ecosystem are often linked to organisms from another
