niches Flashcards
(6 cards)
1
Q
competitive exclusion principle
A
Two species competing for the exact same limited resource cannot stably coexist.
2
Q
what is an ecological niche?
A
the specific role that an organism plays within an ecosystem - such of how it uses its resources, how it interacts with organism and the abiotic factors it can tolerate
3
Q
what is a distributional component of an ecological niche?
A
a habitat a species occupies as a
function of its physiological and behavioral attributes
4
Q
what is a functional component of an ecological niche?
A
a species role in the community in terms of its trophic level
5
Q
what’s the formal definition of the niche?
A
the niche is an-dimensional hyperspace, every co-ordinate (x1, x2
……xn) of which corresponds to a relevant variable in the life of a
species
6
Q
A
