Nose : )
Explanation:
estudiaaaaaaaaaaaaaaaaaaaaaaa!!
The seeds she planted in the mud grew quicker because the mud is holding nutrition for the corn. The soil is a good guess to make, but the mud is more dense and moist. The water wouldn't have had more nutrients than the mud, just because the mud holds breakdown matter and other things from other plants.
Sensory receptors?? I believe that is the answer but you may have wanted a more in depth explanation, if so, my bad.
