Who all do we share the planet with?

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Across
  1. 2. Something bright and beautiful that grows on plants
  2. 4. Warm-blooded animal
  3. 7. Water that flows from one place to another
  4. 8. A tall natural land structure
  5. 12. A mammal that lives in the ocean
  6. 13. A water body surrounded by land
  7. 14. It breathes out oxygen and makes the air fresh
Down
  1. 1. Without this, plants and trees can’t grow. Its usually brown
  2. 3. A flying creature
  3. 5. A tiny animal that lives in colonies and has a queen in each colony
  4. 6. Small ocean creatures of many colours, shapes and sizes
  5. 7. An animal with sharp teeth for gnawing
  6. 9. A large body of water
  7. 10. A collection of trees
  8. 11. It helps in pollination