Biology, 22.10.2019 18:50 sjeueujs2067
Darwin's experiments are just one way to study phototropism. a student wants to investigate the effects of phototropism in bean plants. she places a light source above one plant, at a forty-five degree angle to another, and at a ninety-degree angle from the third.
what is her independent variable?
what is a hypothesis she might write for her experiment?
you
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Darwin's experiments are just one way to study phototropism. a student wants to investigate the effe...
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