Across
- 5. Specialized structure within a cell (e.g., mitochondria, nucleus)
- 7. The variety of plant and animal life in a habitat
- 8. One of two or more variants of a gene
- 9. A protein that acts as a catalyst to increase the rate of chemical reactions
- 10. Organism with complex cells containing a nucleus and specialized organelles
- 12. The total mass of organisms in a given area
- 13. Structure made of protein and DNA found in the nucleus
- 14. A permanent alteration in the DNA sequence
- 15. A segment of DNA that codes for a specific trait
Down
- 1. Change in the allele frequencies of a population over generations
- 2. A large community of vegetation and wildlife adapted to a specific climate
- 3. (Deoxyribonucleic Acid): The molecule carrying genetic information for development and functioning
- 4. The basic structural and functional unit of all living organisms
- 6. The process where organisms better adapted to their environment tend to survive and produce more offspring
- 11. Single-celled organism lacking a membrane-bound nucleus (e.g., bacteria)