2n- Niche Flashcards
1
Q
What is an ecological niche?
A
A multi-dimensional summary of tolerances and requirements of a species
2
Q
What is a species fundamental niche?
A
The niche that it occupies in the absence of any interspecific competition
3
Q
What is a species realised niche?
A
The niche that is occupied in response to interspecific competition
4
Q
What can occur as a result of interspecific competition?
A
Competitive exclusion
5
Q
What is competitive exclusion?
A
Where the niches of two species are so similar that one declines to local extinction
6
Q
What is resource partitioning?
A
Where the realised niches of species are sufficiently different, potential competitors can co-exist by resource partitioning
