investigate that most producers need sunlight, water, and carbon dioxide to make their own food, while consumers are dependent on other organisms for food; and
Standard:
4.9.B
Description:
describe the flow of energy through food webs, beginning with the Sun, and predict how changes in the ecosystem affect the food web.
Standard:
4.10.C
Description:
explore, illustrate, and compare life cycles in living organisms such as beetles, crickets, radishes, or lima beans.
