Across
- 3. lacking defined shape or structure
- 4. solution that holds more of a substance than usual and it stays dissolved
- 5. central point of a beginning
- 8. organism that can live without oxygen
- 9. organism that need oxygen to live
- 10. white blood cell that fights infection
Down
- 1. chemical compound that can prevent further formation of minerals in certain solutions
- 2. mineral found in bones and teeth made up of phosphate
- 6. environment or substance that surrounds cells
- 7. hard crystalline material found on teeth
- 8. not made of cells