Astudent conducts an experiment to determine how the amount of water given to a plant affects its growth.
what is the independent variable for this experiment?
a. the amount of water
b. the height of the plant
c. the amount of sunlight
d. the amount of soil

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.