Across
- 2. Organelle that breaks down glucose in order to provide energy for the cell
- 5. Organelle where photosynthesis occurs in the cell
- 7. Having two different alleles for a trait
- 8. Organelle that controls all the activities of the cell
- 9. Organ system responsible for providing the body with oxygen
- 11. Organelle that produces proteins in the cell
- 13. Organ system that breaks down food into smaller molecules
Down
- 1. Having two identical alleles for a trait
- 3. Structure that forms the outside barrier of an animal cell (2 words)
- 4. With the exception of eggs and sperm, humans have 46 of these structures in their cells (plural)
- 6. The gas that is produced in photosynthesis
- 10. An organism’s physical appearance
- 12. The liquid starting material of photosynthesis
- 13. An allele whose trait always shows up in an organism