Across
- 5. transparent layer covering the front of the eyeball
- 6. animal, which chews the cud
- 8. insect blends in with the surroundings
- 11. largest group of mammals
- 12. the opening that allows light to enter the eye
- 14. animals that are active
- 15. the muscle that regulates the size of the people
- 16. material that allows light to pass through it
- 20. insect to move from place to place with the change of seasons
- 22. light sensitive learning, covering the inside of the eyeball
- 24. young insect, that looks exactly like the adults
- 25. an object is black if all the colors are
- 27. material that allows light to go through but you can’t see the object on the other side
- 29. mirror bulges towards the viewer
- 30. a male bee
- 32. material that does not allow light to pass through it
- 33. always travels in a straight line.
Down
- 1. mirror bulges away from viewer
- 2. structure behind the eyeball that refracts light
- 3. vision type of vision in which both eyes were together
- 4. odor of skunk
- 7. bending of light rays as they enter new material
- 9. nerve large bundle of fibers a carries messages to the brain
- 10. chimpanzee, gorilla monkey
- 13. light is a mixture of colored lights
- 17. egg, laying mammal
- 18. Edison inventor of the lightbulb
- 19. nocturnal animals have an extra layer of cells in the eye
- 21. animal that eats meat
- 23. an insect with a straight line on its abdomen
- 26. blue dress appears blue, because it reflects light
- 28. the series of colored bands that are created when sunlight is separated
- 31. animals in species, no longer exist