Across
- 2. When organisms produce more offspring than the environment can support
- 5. When the entire species of an organism dies
- 7. Individual differences among traits
- 9. The survival of organisms with favorable traits
- 10. The remains of organisms that lived in the past
Down
- 1. When organisms struggle for food
- 3. Organisms with traits that make them well adapted to the environment
- 4. Food, water, space and shelter
- 6. Qualities, features or other things that are inherited from parents
- 8. Scientist who proposed the idea of natural selection