Abiotic and Biotic factors Flashcards
1
Q
Give examples of abiotic factors
A
Moisture level
Light intensity
Temperature
Carbon dioxide levels (plants only)
Wind intensity and direction
Oxygen levels (for aquatic animals only)
Soil pH and mineral content
2
Q
What happens when there is a decrease of light intensity, temperature or level of carbon dioxide?
A
Decreases the rate of photosynthesis. This affects plant growth and causes a decrease in population
3
Q
What happens when there is a decrease in mineral content of the soil
A
Causes nutrient deficiencies. This affects plant growth and causes a decrease in population size
4
Q
Give examples of Biotic factors
A
New predators
Competition
New pathogens
Availability of food
5
Q
How could a new predator affect the population
A
Causes a decrease in population in prey
