Pop quiz

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Across
  1. 3. longest, but not the tallest plant in the world
  2. 4. bones in whale
  3. 5. the substance containing the pink pigment of flamingo
  4. 6. category of animals that breathe through their skin
  5. 7. worm anaesthetic (related to earthworm)
Down
  1. 1. false fruit that has the seed in its pit
  2. 2. largest and the smelliest flower of the world
  3. 6. is a home to the four eyed fish