During the digestion of foods, large molecules are broken down into smaller molecules. For example, starch, a complex carbohydrate, can be directly broken down into

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins

How is the carbon cycle related to global warming ?