GENESIS

1. A group of organs that work together to perform a function.
3. An organism made up of only one cell that carries out all life processes.
7. A structure made up of different tissues working together.
8. The theory that life began in the primordial seas.
9. Groups of cells that work together to perform specific functions.
10. The theory that suggests life may have been carried to earth by beings of extra terrestrial origin.
11. The balance in the body that maintains stable internal conditions.
13. The organ system composed of skin, hair, and nails.
15. The process of change over time through natural selection.
16. Living organisms change as they grow in complex ways.
18. The theory that states life produces life; each plant and animal produces its own kind.
19. The basic units of structure, function, and reproduction in living organisms.
20. The ability of living things to produce new individuals closely resembling them.

2. The theory that explains life originated as a spontaneous event from nonliving matter.
4. Living things respond to stimuli.
5. Needed by living things to do work, grow, and reproduce.
6. Units of heredity that code information in the form of DNA.
12. The Biblical theory that assumes a Supernatural Being is responsible for creating life.
14. An organism composed of many cells performing specialized functions.
17. The ability of an organism to survive and reproduce in its environment.