Unit 3 distribution of organisms Flashcards
1
Q
Biotic fators
A
Living components in an eco-system
2
Q
Abiotic fators
A
Non-living components in an ecosystem
3
Q
Examples of biotic factors
A
Grazing
Predation
Food availability
Disease
4
Q
Examples of abiotic factors
A
Temperature light intensity moisture
5
Q
Measurement abiotic factors
A
Light intensity - light metre - don’t cast shadow
PH meter - ph of soil - clean
Moisture metre - moisture in soil - dry every time used
6
Q
Pitfall trap
A
Used to catch slow moving invertebrate
Don’t keep it out for too long
Camflage Properly
Lots to make data more relatable
7
Q
Indicator species
A
Different typed of lychee indicate levels of air pollution
8
Q
Quadrat
A
Sample low growing plants
Lots to make das reliable
Pace randomly
