Selection Pressures: Abiotic Factors
- In Biology, ‘abiotic’ means non-living
- An abiotic factor is a non-living factor within an ecosystem
- Some abiotic factors are density-independent
- E.g. temperature or rainfall
- Some abiotic factors are density-independent
- Abiotic factors can act as selection pressures
- They affect the survival of individuals in a population, causing the population size to fluctuate