b
Increased water clarity caused an increase in plankton density.
A researcher is recording and monitoring data about a population of plankton-eating fish. When she analyzes the data, she notes a population change that starts at point D.
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Which is the best prediction to test in an investigation to explain why the population changed at point D?
a
People released an invasive species of fish into the ecosystem.
b
Increased water clarity caused an increase in plankton density.
c
The number of predators in the area has decreased.
d
The fish entered into a mutualistic relationship with another organism.
1 answer