Ecosystem Interactions

Question 1

What are density independent factors. Give examples

Answer 1

Factors affecting the number of organisms occupying a niche which are the same regardless of population size. Temperature / climate

Question 2

What are density dependent factors . Give examples

Answer 2

Factors affecting the number of organisms occupying a nice which depend on population size . Predation, reproduction

Question 3

What is intraspecific competition?

Answer 3

Competition between members of the same species within the same niche for a limited resource. (territories / mates )

Question 4

Interspecific competition ?

Answer 4

Competition between different species in a population for the same resources