The "Realized Niche" of Canada Geese Depends on Which of the Following

Question

The "realized niche" of Canada geese depends on which of the following?
A)interspecific competition between Canada geese and other birds
B)competitive exclusion of Canada geese by other organisms
C)the distribution of Canada geese parasites
D)the climate of a given environment
E)All of these choices are correct.

Accepted Answer

The realized niche of Canada geese depends on all the mentioned factors. Interspecific competition with other birds, competitive exclusion by other organisms, and the distribution of parasites can all affect the resources available to Canada geese, and therefore impact their realized niche. Additionally, climate can influence their habitat and resource availability. Therefore, all of the listed options can impact the realized niche of Canada geese.