Across
- 5. the tissue in plants conducts water
- 6. animals that aren't built for survival
- 7. a change or difference in organisms
- 8. a resting state in a plane
- 10. an organism adapting to its environment
- 11. seasonal movement of animals
- 12. humans choosing what to breed
Down
- 1. a mechanism of evolution
- 2. all the animals in the ecosystems
- 3. the process of mutating
- 4. all people born and living at the same time
- 9. a large group of organisms