Which is not part of macroevolution? a. mass extinction b. evolutionary trends c. new species d. genetic drift

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.

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?

Explain why scientists use the word dominant for certain traits.