Which of the following examples is not evidence that natural selection is at work?
A. The color of a caterpillar larva matches the color of the leaves of its host plant.
B. Turtles hatched from eggs in moist sand are larger than those hatched from eggs in dry sand.
C. A species of lizard is dark if it lives on cooled lava, but white if it lives on sand.
D. Enzyme polymorphism in a widespread species changes with geography.
E. An insect population becomes resistant to a commonly used insecticide.
Answer: B