Abat species (species 1) lives in a city. another bat species (species 2) established a population in that same city after some individuals escaped from a zooo. both species of bats are able to roost in buildings of any height. but in isolation, both species prefer to roost at the top of buildings that are at least 3 stories tall. after bat species 2 becomes established in the city, you observe that bat species 1 is only found roosting at the top of short buildings that are less than 3 stories tall, while bat species 2 roots only at the top of building that are three or more stories tall.
roosting areas in buildings of any height are the of both bat species.
a. adaptation
b. fundamental niche
c. resource partitioning
d. realized niche
e. competitive exclusion

Roosting areas in buildings of any height are the resource partitioning of both bat species.

Explanation:

A way in which species can divide resources is by living in different habitat areas. These species might eat the same food, and can roost in different places within the same habitat. This resource partitioning and differentiation in the function of their physic location allows both species to coexist more effectively.

In the present example, both bat species can coexist in the same city but the weaker bat species (species 1) roost at the top of the shorter buildings while dominant species (species 2) roost at the top of the highest buildings.

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