Water Chesnut

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Across
  1. 4. Capable of causing harm which can impact the environment.
  2. 6. Does not belong in that certain environment which can lead to competition.
  3. 7. A body of water forming an indentation of the shoreline.
  4. 8. Sharp, pointy outgrowth on a plant.
Down
  1. 1. River, canal or other body of water serving as a route.
  2. 2. A living organism growing from the ground and needs water and sunlight to survive.
  3. 3. The light of the sun which can help an animal or plant live.
  4. 5. Aquatic plant, native to Europe appeared in Potomac River