Issac’s Vocabulary crossword puzzle

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Across
  1. 3. Something that stands out
  2. 4. Animal life
  3. 6. Small sea animal
  4. 7. Something important or necessary
  5. 8. A branch of zoology
  6. 9. To live
Down
  1. 1. To be lively
  2. 2. Made new again
  3. 5. Worships animal
  4. 8. person who studies animal behavior