Across
- 2. guiding principle
- 3. a small man-made opening
- 6. To turn away from or give up
- 8. to stop or prevent
- 13. to show contempt by sarcastic jokes
- 15. to make unable to reproduce
- 16. groups of people
- 17. a social status system
- 18. resembling an ape
- 19. being insincere
- 20. a change in genetics
Down
- 1. where eggs mature
- 4. after death
- 5. violating principles of right and wrong
- 7. process of reproduction
- 9. arranged ahead of time
- 10. early stages of development
- 11. a new group of students
- 12. to provide nutrients needed to grow
- 14. resisting change