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.
The bee at the right is looking for nectar in a flower. While looking for food, this bee is also pollinating the flowers by transferring pollen from the ___anthers__ on one flower to the __stigma__ on another flower.