An ecologist studying water samples from a lake measures pH, oxygen levels, temperature, turbidity (cloudiness), and chemical concentrations of nitrogen, phosphorus, and potassium.The ecologist is studying the lake's
A) community.
B) abiotic factors.
C) populations.
D) energy flow.
E) biotic factors.

Question

Quizplus · Accepted Answer

The ecologist is measuring abiotic factors, which include pH, oxygen levels, temperature, turbidity, and chemical concentrations. These factors are physical and chemical properties that affect the lake and its ecosystem, rather than living organisms themselves.

An Ecologist Studying Water Samples from a Lake Measures PH