Across
- 3. progeny; descendant
- 7. to keep from happening
- 8. a microscopic organism
- 10. a nourishing and healthful ingredient in food
- 11. to anticipate with anxiety, alarm, or apprehension
- 12. a relationship of mutual interdependence
- 14. a distinct kind; variety; class
- 15. a distinguishing quality or characteristic, as of personality
Down
- 1. change, as in nature, form, or qualities
- 2. the smallest particle of an element
- 4. carrying over of characteristics from parent to offspring by means of genes
- 5. protected against something harmful
- 6. branch of biology that deals with heredity
- 9. lasting a long time or recurring often
- 13. to contaminate or invade with a disease-producing organism