Mike's Thesis

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Across
  1. 3. Nuptial poo?! what a messy community!
  2. 5. Insect found in family car?
  3. 6. Spare lids changed to help scattering?
Down
  1. 1. I heard a bluebell makes powdered grain
  2. 2. Breaking some insect eggs allows atudy of heredity
  3. 4. Garnet, not the pub!