Breeding pairs of magnolia warblers build nests out of pieces of grass and twigs. The female warbler will then lay her eggs in the nest and sit on the eggs for a few weeks until they hatch. After the offspring have hatched, the female will continue to sit on the newborn chicks to keep them warm. Both the male and the female bring food for the offspring to eat until the young are mature enough to find food on their own.

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.