Across
- 1. Natural environment where an organism lives
- 5. Basic unit of life
- 7. Organelle known as the powerhouse of the cell
- 8. Change in species over time
- 9. Segment of DNA that codes for a trait
- 12. Organism that breaks down dead matter
- 13. Physical expression of traits
- 16. Non-living particle that infects cells
- 19. Maintenance of stable internal conditions
- 21. Process of breaking down food for energy
- 23. Change in DNA sequence
- 25. Protein that speeds up chemical reactions
- 26. Organelle that contains the cell’s DNA
Down
- 2. Single-celled organism without a nucleus
- 3. Organelle where photosynthesis occurs
- 4. Process by which plants make food using sunlight
- 6. Organism that makes its own food
- 10. Molecule that carries genetic information
- 11. Genetic makeup of an organism
- 14. Trait that helps an organism survive
- 15. Molecule made of amino acids
- 17. Organism that eats other organisms
- 18. Study of interactions between organisms and their environment
- 20. Movement of water across a membrane
- 22. Group of tissues performing a function
- 24. Group of similar cells working together