b7 Flashcards
1
Q
what is an abiotic factor
A
non-living factors that affect a community
2
Q
what are some abiotic factors
A
- light intensity
- temperature
- soil pH
- mineral/ion contents of soil
- wind direction
- carbon dioxide/ oxygen levels
3
Q
what is a biotic factor
A
living factors that affect a community
4
Q
what are some biotic factors
A
- availability of food
- new predators arriving
- new pathogens
- out-competition between species
5
Q
what are warning colours for
A
to ward off predators and make them think prey is toxic/ dangerous
6
Q
what do plants complete for
A
- space
- light
- water
- nutrients
