Across
- 1. all of the people born and living at about the same time
- 6. the condition of being physically fit and healthy
- 7. the action or process of making a copy of something
- 9. all the inhabitants of a particular town, area, or country
- 10. is often defined as the largest group of organisms
Down
- 2. the process whereby organisms better adapted to their environment tend to survive and produce more offspring
- 3. are the preserved remains
- 4. a person, typically one more remote than a grandparent
- 5. the action or process of adapting or being adapted
- 8. is the change in the characteristics of a species over several generations