invasive species

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Across
  1. 3. degrades wetlands,european flower introduced in 1800s.
  2. 4. does it croak or charge? either way it shouldn't be in Vancouver.
  3. 5. parasite invading the great lakes.
  4. 7. flooding allowed this fish to get into the Mississippi watershed.
  5. 8. these adorable animals have a huge population issue in Australia.
Down
  1. 1. in larva form this moth eats the leaves of 300 plants.
  2. 2. these jewel beetles destroy ash trees in Canada.
  3. 6. fluffy yellow weed that covers hillsides and fields.