Biology

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Across
  1. 5. hard to rhyme
  2. 7. macintosh or fuji
  3. 8. summer treat
  4. 9. crappy car
Down
  1. 1. yellow and curved
  2. 2. popular muffin variety
  3. 3. land of koalas
  4. 4. aloha
  5. 6. on top