In the Appalachian Mountains, several species of salamanders live in or near a stream
The largest species lives in the stream and along its edges, a smaller species lives on land within a meter or two of the stream, and a smaller species lives about 3 to 5 meters away from the stream. In this region, these three salamander species are using A) different niches within the same habitat.
B) the same niche and microhabitat.
C) the same landscape but different ecosystems.
D) the same set of limiting resources.
A
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