Describe how interactions among organisms and their environment help shape ecosystems. Evaluate local, national or global practices that affect ecosystems. Predict long-range environmental and social impacts of specific personal choices. Cells are the basic unit of life. All living things are composed of one or more cells that come from preexisting cells.
Cells perform a variety of functions necessary for life.
Students will understand that all organisms are composed of one or more cells that come from preexisting cells. All functions of life are carried out in cells. List the major chemical elements in cells. Explain how large bio-molecules are formed. Distinguish between autotrophs and heterotrophs.