C. Mutualistic relationship
Flowers and hummingbirds have a mutualistic relationship where both benefit. Flowers produce food in the form of nectar (sugar and water) to attract hummingbirds which, in turn, move pollen for the plant (pollination).
I believe it is B. Hope this helps!!
Answer:
I believe the answer is Temperature.
So it can be used when having you know what with 2 other ppl a male and a female
