Life on Earth - Abiotic Factors

Question 1

Define an abiotic factor

Answer 1

• The result of interactions with other non-living organisms

Question 2

List and describe the 4 abiotic factors

Answer 2

Light intensity - varies according to latitude, season and shade caused by taller organisms (usually plants) in the locality
pH - Soil pH decides which plants can successfully grow in the area
Moisture and Temperature - vital for deciding the distribution of the major biomes on the planet.

Question 3

How do human actions impact biodiversity?

Answer 3

• Affects biotic and abiotc factors
• Habitat destruction, overhunting, overfishing = reduce biodiversity
• Conservation of species = increases biodiversity