Biology, 15.11.2019 23:31 rndbwls5760
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 directly above one plant, at a forty‐five
degree angle to another, and at a ninety‐degree angle from the third.
a. what is her independent variable?
Answers: 1
Biology, 22.06.2019 08:10
Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?
Answers: 2
Darwin's experiments are just one way to study phototropism. a student wants to investigate the
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