Nature of Life Review

4. structural change the occur during an organism's lifetime
7. characteristic that aids survival
8. an organism that gets their energy from the food they eat
9. react to changes in the environment
12. anything that possesses all six characteristics of life
14. reproduction that requires only one parent
15. process by which green plants make food
16. an organism consisting of only a single cell
18. chemical processes that break down and build up molecules in order to use energy
19. reproduction that requires two parents

1. sun is the source for most organisms
2. increase in amount of living material
3. make more of a kind
5. an organism that makes their own food
6. the ability to keep conditions inside the body the same no matter what the outside conditions are
10. change in living things over time
11. basic unit of structure and function in living things
13. an organism made up of more than one cell
17. a change in the environment