Fish of the Future

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Across
  1. 4. Another word for "study" (verb)
  2. 8. possibility
  3. 9. a position or role taken by a kind of living thing within its community
  4. 11. not damaged (adj)
  5. 12. Predators are often ___________ animals like lions or sharks.
  6. 13. A formal word for "eat"
Down
  1. 1. the movement every year of large numbers of birds or animals from one place to another
  2. 2. Animals that have back bones.
  3. 3. The sunfish's strange shape does not _________ it from swimming well.
  4. 5. An approximate number, not an exact number
  5. 6. Sunfish ___________ in eating jellies, helping to keep balance in the ocean food web.
  6. 7. insects at the stage when they have just come out of their eggs and look like short fat worms
  7. 10. __________life includes all animals and plants that live in the sea.