There are often not more than one or two independent variables tested in an experiment, otherwise it is difficult to determine the influence of each upon the final results. There may be several dependent variables, because manipulating the independent variable can influence many different things.
Answer:
touch
Explanation:
When the fly lands on the Venus flytrap receptors send a signal to the "brain" of the plant then the mouth chomps down
Answer:
A
Explanation:
The head of the ulna is found at the distal end of the bone.
Dusting.......
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Answer:
B. Is what the scientists manipulate in the experiment.
Explanation:
The Independent variable is not dependent, or doesn't rely, on another variable in the experiment. So, it would make the most sense that they would manipulate the Independent so that they can watch and see how the dependent variable reacts to the manipulation, or the change, in the independent variable.
