Biogeography Crossword

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Across
  1. 5. The study of interactions between organisms and their environment (8 letters).
  2. 7. Opposite of "pro" in ecology (6 letters).
  3. 8. Short for "natural" (4 letters).
Down
  1. 1. Divide in life forms due to geographical barriers (10 letters).
  2. 2. The consistent pattern of vegetation and animal life in a region (6 letters).
  3. 3. Larger ecological area known for specific climate and species (5 letters).
  4. 4. Refers to the geographic distribution of species (4 letters).
  5. 6. Organisms live in this specific environmental setting (4 letters).