Natural Selection
Across
- 1. is a group of individuals born and living at about the same time
- 5. an organism produced as a result of reproduction
- 7. an animal that hunts and kills other animals for food
- 12. a characteristic that all members of a species have
- 13. a group of the same type of organism living in the same area
- 14. an instruction for making a protein molecule
- 15. a random change to a gene that sometimes results in a new trait
Down
- 2. everything (living and nonliving) that surrounds an organism
- 3. the number of individuals with each trait in a population
- 4. to receive genes from a parent
- 6. a triat that makes it less likely that an individual will survive in a specific environment
- 8. a trait that makes it more likely that an individual will survive
- 9. a long piece of DNA that contains many genes
- 10. the process by which the distribution of traits in a population changes over time
- 11. a characteristic to show how characteristics or values are distributed within a group