It is critical to take measurements twice in the pill-bug experiment: once at the start of the experiment and once at the end. Pill bugs are terrestrial isopods that belong to the crustacea family. This experiment determines if pill bugs, sometimes known as roly-polys, prefer lightness or darkness.
They experiment are slow-moving, cold-blooded organisms whose body temperatures are governed by their surroundings. The pill-bugs gravitate for cornstarch, but the control group exhibits no change in the behavior toward sand. Pill-bugs are vital for clearing the soil of heavy metal ions because they crystallize copper, zinc, lead, arsenic, and cadmium in their midgut.
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