Across
- 2. a machine especially one powered by electricity
- 4. an electrical device that makes a buzzing noise
- 5. a unit of genetics which is transferred from parent to child
- 8. a warm-blooded egg-laying vertebrate animal
- 9. rounded underground storage with electrons
- 14. a line that carry’s electrons
- 15. has fur and gives birth
- 16. a thing that is inherited.
- 17. the action or process of mutating
- 18. a cold-blooded vertebrate animal
- 20. a device for making items start working or stop
Down
- 1. the remains or impression of a organism
- 3. a child of an organism
- 6. a habitat to animals around the world
- 7. believed to have developed
- 10. stores electricity
- 11. a animal plant or cell
- 12. a organism with backbone
- 13. a lot of time to evolve
- 19. no backbone