crossword puzzle——Words can be filled horizontally (left to right) or vertically (top to bottom).（extinction, environmental, conservation, vulnerable, disappear, deforestation, fragmentation, expansion, mythology, thrive）

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Across
  1. 2. The act of increasing in size or extent.
  2. 3. Something about the nature and the world that is all around us.
  3. 6. The act of protecting and preserving.
  4. 7. To go out of sight or existence.
  5. 8. Something disappears forever and there's nothing left of it.
  6. 9. A body of myths belonging to a particular culture.
  7. 10. Being easily harmed or affected.
Down
  1. 1. Breaking up into smaller parts.
  2. 4. The process of cutting down trees in large numbers.
  3. 5. Growth or development in a healthy way.