Some braches of Biology

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Across
  1. 3. the scientific study of plants.
  2. 5. the science that deals with very small living things.
  3. 6. the study of the environment and the way that plants, animals, and humans live together and affect each other.
Down
  1. 1. the study of how the individual features and behaviour of living things are passed on through their genes.
  2. 2. the scientific study of the physical structure of an animal or plant.
  3. 4. the scientific study of animals.