Across
- 3. the study of life
- 5. 'founder' of evolution
- 8. tiny organs in cells
- 11. cold-blooded animal
- 14. how plants make energy
- 16. happens over tens of thousands of years
- 17. Make up our bodies
- 18. type of animal that is usually furry
Down
- 1. Let us see super small things
- 2. study of the human body
- 3. we have 206
- 4. pink fish known for swimming upstream
- 6. makes up our genetics
- 7. covered in scales
- 9. the study of ecosystems
- 10. Makes us sick
- 12. winged animal
- 13. the study of space
- 15. fish that have no bones