Across
- 1. 2nd level of classification
- 4. 3rd level of classification
- 7. 6th level of classification
- 10. Another word for breathing
- 11. The creator of this crosswords name (4 letters)
- 12. 7th level of classification
Down
- 2. An acronym on living creatures
- 3. 1st level of classification
- 5. The way living organisms feel changes around them
- 6. 5th level of classification
- 8. 4th level of classification
- 9. The way humans expand and get taller and stronger