Umm, It could be 100% since when the consumer eats the producer it eats all of it.
The answer is D. Offspring, because that is the product of this instinctual ritual, to keep their species continuing.
no they are not exercising for the fun of it
they are not making mating calls because they have the feet and have probably already met the female.
and no he isn't going to eat her
The answer is C. Ribosomes
I hope that helped