Which structural adaptation do some plants have to attract pollinators?

a. small leaves
b. deep roots
c. hard bark
d. colorful flowers

I know this is a late answer, but I was just here to look at my answer for a test, but i couldn't find it, so i guessed and it turns out i was right! The answer is D.Colorful flowers

This is what i found “nuclear fuel is material used in nuclear power stations to produce heat to power turbines. heat is created when nuclear fuel undergoes nuclear fission. most nuclear fuels contain heavy fissile actinide elements that are capable of undergoing and sustaining nuclear fission.” i hope this you for what your looking for. can you plz mark me brainliest?