What does a decrease in salmon population due to an increase in river temperature indicate?

Question

Group of answer choices

an unchanging biological community

an effect of predation

change in population but not in abiotic factors

an abiotic factor affecting a biotic factor

Answer 1

A decrease in salmon population due to an increase in river temperature indicates:

an abiotic factor affecting a biotic factor.

This is because the river temperature is an abiotic factor (non-living) that can impact the living organisms in the ecosystem (in this case, the salmon population). Higher temperatures can affect salmon spawning, growth, and survival rates.