5.2 Flashcards
1
Q
Give the definition of biotic and abiotic factors
A
Biotic - living factors e.g. bacterial diseases
Abiotic - non living factors e.g. water availability
2
Q
List the biotic factors that can affect the numbers and distribution of species in an ecosystem
A
- mate competition
- food/water competition
- predator population
- prey population
- disease
3
Q
List the abiotic factors that can affect the numbers and distribution of species in an ecosystem
A
- sunlight
- oxygen
- water availability
- humidity
- pH
- temperature
- nutrient availability
