Ecosystems Flashcards
(4 cards)
1
Q
what is the definition of an abiotic factor
A
- abiotic means non-living
- An abiotic factor is a non-living factor within an environment such as temperature, light intensity and water availability
2
Q
what are some examples of abiotic factors
A
- light intensity
- temperature
- soil pH and mineral content
- carbon dioxide level for plants
- oxygen levels for aquatic animals
- wind intensity and direction
- moisture levels
3
Q
what is the definition of an biotic factor
A
- biotic means living
- A biotic factor is a living factor in the environment such as competition, predation and disease
4
Q
what are some examples of biotic factors
A
- availability of food
- new predators
- new pathogens
- competition (against other species)