Nature

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Across
  1. 3. a small narrow stream or river
  2. 5. the top of a mountain (1)
  3. 8. a hill made of sand near the sea or in the desert
  4. 9. [c... < adj] trees keep their needles and produce brown cones that contain seeds
  5. 13. a simple type of plant that has no leaves or flowers and that grows on plants or other surfaces. mushrooms and mould are both this
  6. 15. a coral island in the shape of a ring
  7. 17. an area of land that is lower than the land around it
  8. 18. a very small island
  9. 19. a type of plant with green leaves shaped like large feathers, but no flowers, it's been around since the prehistoric times
  10. 20. a synonym for 'tornado'
  11. 24. a small bush with several woody stems
  12. 26. an animal that only eats plants
  13. 27. a lake, especially an artificial one, where water is stored before it is supplied to people’s houses
  14. 29. the top of a mountain (2)
  15. 31. an animal that eats both meat and plants
  16. 32. a deep narrow valley with steep sides (1)
  17. 34. animals and plants growing in natural conditions
  18. 35. a large flat area of grassy land, especially in Africa
Down
  1. 1. a plant such as a cactus, that has thick soft leaves or stems that can hold a lot of liquid
  2. 2. [d... < adj] trees lose their leaves in winter
  3. 4. a piece of land almost completely surrounded by water but joined to a large area of land
  4. 6. the fruit of a pine or fir tree
  5. 7. a tall tree with long hard sharp leaves that do not fall off in winter
  6. 10. a living creature that does not have a backbone
  7. 11. an animal or plant that lived many thousands of years ago and that has been preserved
  8. 12. an area of soft wet muddy ground
  9. 14. a small piece of land with trees growing on it
  10. 16. a large mass of ice which moves slowly down a mountain valley
  11. 19. the leaves of a plant
  12. 21. a powerful current [prąd wodny] of water that spins around and can pull things down into it
  13. 22. a huge amount of water that covers an area that is usually dry
  14. 23. a small stream
  15. 25. a deep narrow valley with steep sides (2)
  16. 28. an animal that eats flesh
  17. 30. an [e... < adj] tree or bush does not lose its leaves in winter
  18. 33. a large area of flat land that is higher than the land around it