Planet Earth Puzzle

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Across
  1. 4. A male elephant without tusks (6 letters)
  2. 7. A type of insect that loves honey (3 letters)
  3. 8. A bird often associated with wisdom (3 letters)
  4. 9. A term for animals that lay eggs (9 letters)
  5. 10. The vegetative part of a fungus, consisting of a mass of thread-like structures (8 letters)
Down
  1. 1. The practice of eating one's own species (11 letters)
  2. 2. Jaw-like structures used for biting or cutting food (9 letters)
  3. 3. The scientific study of insects (10 letters)
  4. 5. A type of relationship where one organism is harmed and the other is unaffected (10 letters)
  5. 6. Tissue in plants responsible for transporting water (5 letters)