natural selection
Across
- 3. an animal that hunts and kills other animals for food
- 7. an event or process that leads to a result or change
- 8. any difference in traits between indivudal organisms
- 9. a specific characteristic of an individual organism
- 10. to receive genes from a parent
Down
- 1. a random change to a gene that sometimes results in a new trait
- 2. an instruction for making a protein molecule
- 4. an organism produced as a result of reproduction
- 5. a related organism from a previous generation
- 6. to stay alive