organisms tend to have more offspring than can survive. why is this important from an evolutionary standpoint?

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

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.

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because