Question

does different amounts of sunlight affect how many tulip flowers a plant grows? the sunlight is the...
dependent variable
independent variable

Explanation:

In an experiment, the independent variable is the one that is manipulated or changed to observe its effect on another variable. Here, the amount of sunlight is what's being varied to see its effect on the number of tulip flowers (the dependent variable, which depends on the independent variable). So sunlight is the independent variable.

Answer:

independent variable