The question that most likely relates to the ecologist's observations and collected data is, 'Are fish dying due to reduced oxygen in the water?'
<h3>Research questions</h3>
Research questions are usually coined from observations. Observation is the first step in the scientific method. Once the research questions have been formed, hypotheses follow.
In this case, the ecologist, who happens to be the researcher in this case, observed that fishes were dying in large numbers. Fortunately for the researcher, he also observed that the lakes around the city where fishes were dying had significant algae growth as well as reduced oxygen levels.
The right questions to ask, therefore, should try and relate to observations together.
Thus, linking the death of the fishes to reduced oxygen levels in the lakes is the right question to ask.
More on research questions can be found here: brainly.com/question/27824868
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A) organelles are the "organs of a cell"
B) metabolism is an organism's energy
C) homeostasis is a status of balance or equilibrium in an organism
D) I'm pretty sure you know what a cell is
Answer:
Classification
Explanation:
Classification is the grouping of living organisms based on their structural similarities. Those with similar structures are put under one group referred to as a taxon. The grouping also takes into account the evolutionary relationships since all living organisms at one time had a common origin.
I feel like the answer is D. Hope this helps!