Is a hawk a producer an herbivore a carnivore a scavenger or a decomposer

Alaska and northern canada have a diet rich in vitamin d and their skin color is darker than predicted on the basis of iv intensity at their latitude. explain the observation:

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?