Biology

Biology, 16.10.2020 17:01, itscheesycheedar

Earthworms, like the one seen here, live in soil. Bennie wondered how changes in the moisture content of the soil would affect the movement of worms. He wanted to design an experiment to test his idea. What would be Bennie's manipulated variable in the experiment? A) size of the worms
B) moisture of the soil
C) movement of the worms
D) temperature of the soil

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