Nature

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Across
  1. 2. a group of similar living organisms
  2. 5. the preservation of an animal, plant or land area
  3. 6. and jumping
  4. 8. the natural environment for a species
  5. 12. an animal without a back bone
  6. 13. when a species is introduced to an area
  7. 14. an area of muddy land exposed during low tide
Down
  1. 1. when an animal preys on another animal
  2. 3. a range of different species with an environment
  3. 4. a variety of methods that animals use to move such as
  4. 7. an area of sea shore that is covered by water during high tide and exposed during low tide
  5. 9. the rising and falling of the sea
  6. 10. where fresh water meets salt water
  7. 11. when an animal sheds its skin to make way for new growth