All things being equal, one would expect to find _______ species diversity in a stream with a uniform substrate (i.e., bottom bedrock) as compared to a stream with a heterogeneous substrate (i.e., bottom composed of sand, pebbles, stones, cobble, boulders).

Question

Quizplus · Accepted Answer

A stream with a uniform substrate will have less species diversity because there will be less variation in habitats for different species to occupy. In contrast, a stream with a heterogeneous substrate will have more diverse habitats for organisms to live in, leading to more species diversity.

All Things Being Equal, One Would Expect to Find _______