Across
- 3. alive
- 5. large molecules composed of amino acids
- 8. produces eggs
- 11. fusion of gametes
- 12. cell with 23 chromosomes in humans
- 13. organism that recycles nutrients
- 16. hormone produced by the pancreas, lowers blood sugar levels
- 17. type of cell division that produces genetically unique gametes
- 20. cell with 46 chromosomes in humans
- 22. organ that pumps blood throughout the body
- 23. powerhouse of the cell
- 24. species change over time due to natural selection
- 25. selectively permeable barrier to the cell
- 27. a photosynthetic organism
- 28. movement of molecules across a membrane down a concentration gradient
Down
- 1. a group of cells of the same type, makes up organs
- 2. non-living
- 4. organelle responsible for performing photosynthesis
- 6. organelle that holds DNA
- 7. product of fertilization
- 9. type of cell division that produces identical cells
- 10. cellular energy, produced in the mitochondria
- 14. input for cellular respiration
- 15. site of protein synthesis in the cell
- 18. male gamete
- 19. an organism that obtains nutrients from the environment
- 21. water and carbon dioxide converted to glucose and oxygen, uses sunlight
- 22. organism that feeds on producers
- 26. where the embryo grows and develops