The process by which two species evolve in response to changes in each other over time is called?

What’s this animal (picture is tagged) and where is it most likely to live, rainforest or desert?

What happens when the cell copies its chromosomes

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.