KA 5: parasitism: niche Flashcards
1
Q
what is an ecological niche?
A
multi-dimensional summary of tolerances and requirements of a species
2
Q
what does a species occupy in the absence of any interspecific competition?
A
a fundamental niche
3
Q
when is a realised niche occupied?
A
in response to interspecific competition
4
Q
what is competitive exclusion?
A
where the niches of two species are so similar that one declines to local extinction
5
Q
when does competitive exclusion occur?
A
as a result of interspecific competition
6
Q
when can potential competitors co-exist by resource partitioning?
A
where the realised niches are sufficiently different