Biology

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Across
  1. 6. This part of your body transports food,gases and waste.
  2. 8. and organism which grows on things
  3. 9. a brain surgeon
Down
  1. 1. a person who studies the environment and ecosystem
  2. 2. my favorite subject
  3. 3. The study of plants.
  4. 4. when you open up a plant or animal to research it’s structure
  5. 5. a synonym for it is bacteria
  6. 7. it is a flower and it’s my favorite
  7. 10. a doctor which cuts you open in some circumstances