An organism’s niche is its role within an ecosystem including all interactions with other organisms as well as with the non-living aspects of the environment.
An ecosystem can only support a limited population size of any species and this is known as the carrying capacity.
|2||Population changes: biotic and abiotic factors|
|3||Carrying capacity / S and J curves|
“Niche is a term typically associated with wild plants and animals. Describe a human’s niche, using examples to support your answer, and justify whether the term can be correctly applied to humans.” [9 marks]
The essay should marked using the Paper 2, Section B essay markbands.