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