Matter & Energy in Ecosystems - Weebly

Living things are made up of one or more cells, use energy, move, respond to their environment, reproduce, grow, develop, adapt, and have a life span. (3/2) 9. Nonliving things such as water, oxygen, and. carbon dioxide are needed by living things to survive. These materials are returned to the environment and are used again. (4/3) 10. ................
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