ESS Topic 3 Important Terminology

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Across
  1. 1. The excessive enrichment of water with nutrients, leading to algal blooms.
  2. 4. Changes in population or community structures at the boundaries of ecosystems.
  3. 9. Conservation of species in their natural habitat.
  4. 11. A species that is native to a particular area and found nowhere else.
  5. 13. The breaking up of habitat into smaller, isolated patches.
  6. 15. The number of different species and the abundance of each species in an ecosystem.
  7. 17. A non-native species that spreads rapidly and disrupts native ecosystems.
  8. 18. The excessive use of natural resources leading to depletion.
  9. 21. The variety of life in the world or in a particular habitat or ecosystem.
  10. 22. Sustainable tourism that promotes conservation and benefits local communities.
  11. 25. The gradual change in species over time due to natural selection.
  12. 26. The natural and gradual change in species composition in an ecosystem over time.
  13. 27. A designated region where biodiversity is conserved and human activity is restricted.
Down
  1. 1. The benefits that humans obtain from ecosystems.
  2. 2. The removal of forests for human activities such as agriculture and urbanization.
  3. 3. A global inventory of the conservation status of species.
  4. 5. Conservation methods outside of natural habitats, such as zoos and seed banks.
  5. 6. The range of genetic material present in a species or population.
  6. 7. A region with a high level of biodiversity and endemic species that is under threat from human activities.
  7. 8. The range of different habitats in an ecosystem or biome.
  8. 10. The process by which organisms best adapted to their environment survive and reproduce.
  9. 12. The complete loss of a species from Earth.
  10. 14. The process of restoring ecosystems to their natural state by reintroducing native species and reducing human influence.
  11. 16. An international agreement aimed at regulating trade in endangered species.
  12. 19. The formation of new species through evolutionary processes.
  13. 20. A natural or artificial connection that allows wildlife movement between habitats.
  14. 23. A chain reaction in an ecosystem where changes at one trophic level affect multiple levels.
  15. 24. A species that has a critical role in maintaining ecosystem balance.