Environmental science Conservation of biodiversity

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Across
  1. 2. Total number of genes present in species in a particular population GP (2)
  2. 6. Non-native species spreading rapidly I
  3. 7. Species used to promote conservation F
  4. 11. Organisms that make their own food P
  5. 15. Mixing genes from different varieties CB (2)
  6. 16. Breakdown of dead organic matter D
  7. 18. Excessive harvesting of fish stocks OF (2)
  8. 20. Tree type in temperate woodland D
  9. 22. Species moved in to non-native area I
  10. 23. Benefits humans gain from ecosystems S
  11. 24. Physical place an organism lives H
  12. 25. Habitat broken into smaller areas F
  13. 29. Increase in global temperatures W
  14. 30. Illegal killing of animals P
  15. 32. Climate of tropical rainforests H
  16. 33. Species at very high risk of extinction E
  17. 35. Conservation within natural habitat I
  18. 38. Loss of natural habitat D
  19. 39. Treaty banning international wildlife trade C
  20. 40. Habitat used by many species E
  21. 41. Species with no living members E
  22. 42. Nutrient enrichment of water E
  23. 43. Storage of seeds for conservation SB (2)
  24. 45. Category of extreme extinction risk C
Down
  1. 1. Symbiotic algae in corals Z
  2. 3. Element in coral skeletons C
  3. 4. Conservation outside natural habitat E
  4. 5. Ability to withstand pests or disease R
  5. 8. Process cycling water through ecosystems H
  6. 9. Rainforest layer receiving most light C
  7. 10. Areas set aside for conservation R
  8. 12. Nutrient cycling involving nitrogen B
  9. 13. Clearing forests D
  10. 14. Woodland management by cutting trees C
  11. 15. Organisms that rely on others for energy C
  12. 17. Transfer of pollen between flowers P
  13. 19. Animals that feed on plants H
  14. 21. Relationship where both species benefit S
  15. 26. Gas removed by photosynthesis CD (2)
  16. 27. Lower rainforest layer U
  17. 28. Variety of life at all levels B
  18. 31. Measure of salt concentration S
  19. 34. Cause of coral bleaching S
  20. 36. Organisation that monitors and categorises according to vulnerability to extinction I
  21. 37. Direct use of organisms by humans E
  22. 44. Species with a disproportionately large effect K