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.%0D%0A%0D%0A%0D%0A%0D%0A %0D%0A%0D%0AWhich is the best prediction to test in an investigation to explain why the population changed at point D?%0D%0A%0D%0A a%0D%0APeople released an invasive species of fish into the ecosystem.%0D%0A b%0D%0AThe fish entered into a mutualistic relationship with another organism.%0D%0A c%0D%0AThe number of predators in the area has decreased.%0D%0A d%0D%0AIncreased water clarity caused an increase in plankton density.
that was not the correct answer. Do you know what the right answer is?
The best prediction to test in an investigation to explain why the population changed at point D would be:
c) The number of predators in the area has decreased.