Across
- 4. to say something opposite to what someone else had said
- 8. resistance to disease
- 9. the branch of biology that studies heredity and variation in organisms
- 11. to cause to jump or make scared
- 12. severe test of character or endurance
- 13. the action or state of sticking together
- 15. of concern to or concerning the internal affairs of a nation
Down
- 1. close at the end of a session
- 2. opposing or resisting power
- 3. the path followed by an object in space
- 5. short term fight
- 6. to jump on something suddenly
- 7. a happening that is distinctive in a series of related events
- 10. set apart from others
- 14. rate of movement