What is the flaw in the role of the beetles predator?
a)
the students predators must understand their role in the experimental procedures.
b)
some students cannot see as well as others and that limits the reliability of their scoops.
c)
some of the predators may just be randomly scooping, not using color as a means to find prey.
d)
the predator role should be varied for each trial throughout the experiment to see who is better at the job.

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