In the food chain are primary, secondary, and tertiary consumers
A type of cell division that results in two daughter cells having the same number and kind of cells as the parent cells
A colorless, odorless gas made by burning carbon and organic compounds
an organism deriving its nutritional requirements from complex substances
typical of ordinary tissue growth.
It is naturally present in about .03 percent of the air and is food for plants
An important energy source
A simple sugar and a component of carbohydrates
