Answer:
the reproduce by putting the male representative organ in the female reproductive organ
The answer to this certain question is gonna be the letter C- PANCREAS
The substrate is the part that sticks into the active site of an enzyme.
The answer is A. Fertilizer
The other answer choices don't make sense Herbicide is a poison that kills plants, Pesticide is an insect killer, while a Growth Hormone is designed to help the plant grow not to put nutrients into the soil.