Across
- 5. animals without backbones.
- 6. animal that eats other animals.
- 7. the organism on which a parasite feeds.
- 8. a force used to cause movement.
- 14. the force that pushes downwards on you.
- 15. the study of fossils.
- 16. product of a fertilised ovule.
- 17. an area set aside for the dumping of rubbish.
- 18. living things.
- 19. A force which keeps objects floating.
- 20. the outer layer of the earth, including all land forms,rocks and soil.
Down
- 1. get rid of waste.
- 2. the study of earthquakes.
- 3. curved inclined plane.
- 4. not ever alive, as distinct from dead.
- 9. gear that is moved by another gear.
- 10. once alive but now not alive.
- 11. a visible collection of small water droplets in the air high above the ground.
- 12. animal that eats only plants.
- 13. one of the four primary areas of the cerebrum.