Use the word list at the beginning of the unit to help complete the summary paragraph below. All organisms are made up of __________, the smallest units of life. A _________________ organism may only contain one cell! There are 2 types of __________________, sexual and __________. An organism needs ____________ and a constant supply of materials to do any type of cellular work such as metabolism. As food is used up, it must be replaced in order for the cell to ___________, create more energy and repair itself. ___________________ is a term used for all of the chemical reactions that occur within the cell and the organism. Key to the cell’s survival is its ability to maintain stable internal conditions. This important characteristic of life is called _______________.