Across
- 3. Protein that binds to antigens to fight pathogens
- 4. Organelle that produces energy through respiration
- 9. Trait that improves survival in an environment
- 10. Protection against disease through defense systems
- 12. Genetic makeup of an organism
- 15. Jelly-like substance where cell organelles are found
- 17. Biome with low rainfall and extreme temperatures
- 19. Unit of heredity carried on DNA
- 21. Plant growth response to gravity
- 24. Adaptation where one species resembles another
- 25. Passing of traits from parents to offspring
- 27. Substance that stimulates immunity without causing illness
Down
- 1. Change in DNA sequence
- 2. Organelle in plants where photosynthesis occurs
- 5. Molecule that triggers an immune response
- 6. Biome with high rainfall and biodiversity
- 7. White blood cell that engulfs and digests pathogens
- 8. Growth response of plants to environmental stimuli
- 11. Plant growth response to touch
- 13. Plant growth response toward light
- 14. Physical expression of genes
- 16. Cold biome with permafrost and limited vegetation
- 18. Grassland biome with scattered trees and seasonal rains
- 20. Different forms of a gene
- 22. Outer boundary of the cell that regulates entry and exit
- 23. Site of protein synthesis in cells
- 26. Control center of the cell containing DNA