Biological evolution is the in the genetic makeup of a species through ?

Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or

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.

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.