Across
- 3. inclined to find fault
- 5. energy transmitted in the form of rays
- 12. without deceit
- 13. the natural environment of an organism
- 15. a category of people or things having common characteristics
- 16. to get away
- 17. relating to or derived from living organisms
- 19. common and unexceptional
- 20. the art of performing exercises for physical development
Down
- 1. relating to a common descent
- 2. to keep in existence
- 4. to break forth with violence
- 6. a written or printed paper
- 7. to stop breathing by compression of the throat
- 8. the absence of audible sound
- 9. a small toothed whale
- 10. a tropical cyclone
- 11. a standard of judgment
- 14. the greater number
- 18. a group of singers