The environment

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Across
  1. 2. undomesticated animal species.
  2. 5. long-legged, long-necked, freshwater and coastal bird.
  3. 6. a tasteless and odourless liquid (Drinkable)
  4. 7. gracefully long-necked, heavy-bodied, big-footed birds that glide majestically when swimming and fly with slow wingbeats and with necks outstretched.
  5. 8. the introduction of harmful materials into the environment.
  6. 9. the act or process of working the ground, planting seeds, and growing edible plants.
Down
  1. 1. flowing bodies of water.
  2. 3. a path or way principally designed for, and used by pedestrians and not other forms of traffic such as vehicles, bicycles and horses.
  3. 4. have no internal skeleton, instead they are covered in an external shell (exoskeleton) that protects their soft internal organs.
  4. 6. a place in which the land is covered by water—salt, fresh, or somewhere in between—either seasonally or permanently.