Question

this question will consider how the amount of overlap between niches might affect the overall ecosystems resilience to change. (how bad would it be for the ecosystem if one of the species was eliminated?) in scenario iii, there is overlap between the niches of the two species. because of this, if one of the species was removed, many of niche components because. in scenario i, there is overlap between the niches of the two species. because of this, if one of the species was removed, many of niche components because. based on the answers above, if there is more overlap in niches, ecosystems will be to survive changes because they have a \backup\ to get jobs done.

Explanation:

In Scenario III, the two niches (species A and B) are almost completely overlapping. So, if one species is removed, many niche components would still be filled as the other species can cover most of the niche (due to high overlap). In Scenario I, there is some overlap but not as much as in III. So, if a species is removed, some niche components would be lost (as the overlap is not total). When there is more niche overlap, ecosystems are more resilient (as there is a "backup" - the other species can take over more of the functions in case one is removed).

Answer:

In Scenario III, there is high overlap between the niches of the two species. Because of this, if one of the species was removed, many of niche components would still be filled because the other species can cover most of the niche (due to high overlap).
In Scenario I, there is some overlap between the niches of the two species. Because of this, if one of the species was removed, many of niche components would be lost because the overlap is not total (so some niche parts are unique to the removed species).
Based on the answers above, if there is more overlap in niches, ecosystems will be more resilient to survive changes because they have a "backup" to get jobs done.