Across
- 3. Two identical alleles
- 4. Physical appearance of an organism
- 5. A type of fat that helps store energy
- 9. Cells that divide that make exact copies
- 11. A big molecule made of monomers
- 12. Cells protein factory
- 13. Building block for larger molecules
- 17. The body's way of maintaining internal stability
- 18. One group replaces another over time
Down
- 1. The process plants use to make food
- 2. Movement of water across a semipermeable membrane
- 4. A cell without a nucleus
- 6. Building block for our bodies
- 7. Control center of the cell
- 8. Produce energy for the cell
- 10. close relationship between species
- 13. Change in the DNA sequence of a gene
- 14. Carries instructions from DNA to make protein
- 15. Living things making more of each other
- 16. Process in cells that helps create reproductive cells