Question

true or false no two species can fill the same niche within a habitat. true. overlap between niches can not be 100%. false. niches frequently have overlap.

Explanation:

According to the competitive exclusion principle (Gause's law), no two species can coexist in the same niche indefinitely. If two species have completely overlapping niches (100% overlap), one will out - compete the other. So, overlap between niches cannot be 100%.

Answer:

True. Overlap between niches can not be 100%.