ecosystems Flashcards
1
Q
what are abiotic factors?
A
non-living components of an ecosystem that affect other living organisms
2
Q
what are biotic factors?
A
environmental factors associated with living organisms that effect each other
3
Q
draw the nitrogen cycle.
A
see page 276 in the A-level OCR textbook.
4
Q
what is a climax community?
A
the final stable community that exists after succession
5
Q
what is deflected succession?
A
happens when succession is interrupted or stopped
6
Q
what are two methods used to study ecosystems?
A
- transects
- quadrats
