Across
- 3. a characteristic that all members of a species have
- 7. an animal that hunts and kills other animals for food
- 9. a related organism from a previous generation
- 10. a group of the same type of organism living in the same area
- 11. the number of individuals with each trait in a population
- 12. any difference in traits between individual organisms
Down
- 1. a group of individuals born and living at about the same time
- 2. a graph that uses bars to show how characteristics or values are distributed within a group
- 4. everything (living and nonliving) that surrounds an organism
- 5. a trait that makes it more likely that an individual will survive in a specific environment
- 6. the process by which the distribution of traits in a population changes over many generations (2 words, no space)
- 8. a way of hiding by looking the same as the background