Biodiversity - Topics 6, 7 and 8

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Across
  1. 4. Insect that was predominantly light coloured prior to the Industrial Revolution
  2. 7. Collection of seeds from plants that are threatened with extinction
  3. 9. Name of Darwin's boat
  4. 10. Another term for a genetically modified organism
  5. 11. Number of division in meiosis
  6. 12. Evolutionary process whereby organisms best adapted to their environment will survive and reproduce
  7. 13. The extinction of a species from specific geographic areas
  8. 17. Technique whereby individual organisms with desirable traits are bred together to develop plants or animals with specific traits (cows that produce large quantities of milk)
  9. 21. Natural selection: Variations that are passed on lead to changes in the ________ characteristics of a species
  10. 23. Number of division in mitosis
  11. 24. Natural selection: All organisms produce more ________ than can possibly survive
Down
  1. 1. Global ________ have been drawn up to protect endangered plants and animals
  2. 2. The artificial introduction of genes from one organism into the genetic material of another
  3. 3. Synonym for artificial selection
  4. 5. Asexual reproduction of cells that results in the production of two identical daughter cells (chromosome count is the same at the start and at the end)
  5. 6. Fish farming
  6. 8. Species who is sensitive to changes in it's environment
  7. 14. Using or modifying living organisms to make marketable products
  8. 15. Scientist who proposed and developed natural selection
  9. 16. Sexual reproduction of cells that results in the production of four new genetically different daughter cells (chromosome count is halved from start to end)
  10. 18. Natural selection: Variations increase the chances of an organism surviving to _________
  11. 19. Species that no longer exists on Earth
  12. 20. Hormone in the body that lowers the level of glucose in the blood
  13. 22. Natural selection: There is incredible __________ within each species
  14. 25. In the last 600 million years there have been _____ major declines in Earth's biodiversity