Across
- 2. gene versions that are different
- 3. the bodys use of molecules for energy and growth
- 7. the way something is shaped
- 8. small organisms that are made of one cell
- 9. the way something works
- 10. gene versions that are the same
- 11. a characteristic that all members of a species have
Down
- 1. instructions for making a protein molecule
- 3. too small to see with the naked eye
- 4. a group of atoms joined together in a certain way
- 5. a molecule you get from breathing
- 6. a specific characteristic of a person or thing