Which describes the dependent variable in an experiment?
a) the variable changed by the experimenter
b) the quantity that must remain the same
c) the variable that changes in response to the experiment
d) the statement that is worded to test the experiment

The answer to this question would be letter C because a dependent variable depends on the project. For instance, If there is a scientist trying to see which plant will grow the fastest just using water. The plant depends on the water. hope this helps!

it's Z because X, W and Y is a vascular plant so it means that Z is not