The pond will get hot because the sun light heated the water. And the lilies' leaves can absorbed the light of blue and red then reflect the green light. So the amount of light which can be absorbed by water will decrease. Thus the pond does not get so hot.
A small flowerless green plant with leaflike stems or lobed leaves, occurring in moist habitats. Liverworts lack true roots and reproduce by means of spores released from capsules.
