Biodiversity and the distribution of life

Question 1

Human influences.

Answer 1

Pollution in air and water.
Destruction of natural habitats.
Exploitation of animals and plants.

Question 2

Biotic and abiotic influences

Answer 2

Biotic factors. Abiotic factors.
Competition for food,space, mates. Temperture.
Numbers of predators. Humidity.
Disease. Ph.
Grazing. Light intensity.
Rainfall.
Wind.