Louisa wants to find out whether earthworms prefer to live in the dark or in the light. She constructs an
investigation. She fills a box with dirt and places 30 earthworms in the dirt. Then, she covers half of the
box with a lid. She leaves the other half open. After waiting a week, what should Louisa do next?
A. repeat the experiment
B. write a report to present to her science class
C. ask another question about the behavior of earthworms
D. count the number of earthworms that are present on each side of the box
Answers: 2
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Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%
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Which organelle plays a role in intracellular digestion?
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Louisa wants to find out whether earthworms prefer to live in the dark or in the light. She construc...