Across
- 4. A long lasting relationship between a parasite the host
- 6. Changes in a species over generations
- 8. A relationship where both parties benefit
- 10. The process of becoming a new species
- 12. When a species completely dyes out
Down
- 1. The specific relationship between a predator and its prey
- 2. A relationship where a parasite depends on it host
- 3. Rhymes with quiche
- 5. Changes in DNA
- 7. Natural ______
- 9. A sequence of DNA
- 11. When the animal eats only plants