Several key factors help to determine the types and numbers of organisms found in the various layers of both freshwater and marine systems.What is not one of these?

Question

Quizplus · Accepted Answer

While algal blooms may have an impact on the types and numbers of organisms temporarily, they are not a key factor in determining the overall composition of the ecosystem. The other factors listed (availability of nutrients, temperature, dissolved oxygen levels, and availability of food) are all important in shaping the ecosystem.

Several Key Factors Help to Determine the Types and Numbers