CROSSWORD
Across
- 4. effect – Trapping of heat by the atmosphere.
- 6. - Protein on the surface of cells.
- 8. – Allele pair for each characteristic.
- 9. - Eats animals.
- 11. – Passed on from parents in DNA.
- 12. - Type of white blood cell.
- 13. - Huge group of single stars, star systems, star clushters, dust, and gas bound together by gravity.
- 14. – Center of solar system.
- 16. – Grouping organisms based on their common features.
- 20. - Organisms that produce food.
- 22. - Animal without backbone.
- 26. - Organisms that eat each other.
- 28. - Mass of organisms.
- 29. – Largest groups that living thing.
- 30. - Disease cause by micro organisms.
Down
- 1. - Eats plants.
- 2. – Most spectacular ring of any planet.
- 3. - Spread of disease.
- 5. – Come from comets or asteroids.
- 6. – Chemicals that used to treat bacterial infections.
- 7. - A Large cloud of gas.
- 10. – Planet that closest to the sun.
- 15. - Force of turning object.
- 17. - Animal at the ends of food chains.
- 18. – Largest and most massive planet.
- 19. – Blue planet, atmosphere contains visible clouds.
- 21. – Very small living things.
- 23. - Difference between living things.
- 24. - Most massive stars.
- 25. - Located in spiral galaxy
- 27. - Push or pull.