Be Rooted! Set 4

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Across
  1. 1. The study of nature
  2. 3. One without light
  3. 5. A system of geographical networks/lives
  4. 7. To go against one's self/beliefs
  5. 8. A place to view animals confined in water
  6. 10. Placed at the edge or margin
Down
  1. 2. The area around a circle
  2. 4. Inflammation of the brain/spinal cord
  3. 6. Someone who watches the scene on the side
  4. 9. A medical hand issue