Unit 3 - Life on Earth

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Across
  1. 2. Mountains, oceans and deserts are what type of isolating mechanisms
  2. 3. The formation of a new species
  3. 5. When resources are in short supply, this occurs
  4. 7. Makes its own food
  5. 10. The variety of living things
  6. 12. Used to measure low growing plants
  7. 13. Type of energy used in photosynthesis
  8. 14. A true pyramid shape
  9. 15. Cattle over-grazing on grass land
  10. 17. What type of factor is disease
  11. 19. All the populations living together
Down
  1. 1. Second stage of photosynthesis
  2. 4. What is glucose used for in photosynthesis
  3. 6. The community living in the habitat along with all non-living factors
  4. 8. Saving and protecting the worlds endangered animals
  5. 9. Percentage of energy passed on in a food chain
  6. 11. A light meter is used to measure
  7. 16. Competition between different species
  8. 18. Eats plants and meat