Fun "ology"

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Across
  1. 2. What is the study of plant and animal life called?
  2. 6. What is the study if the environment called?
  3. 7. What is the study of nerves called?
  4. 8. What is the study if antiquities called?
  5. 9. What is the study of myths/legends called?
Down
  1. 1. What is the study or x-rays called?
  2. 3. What is the study of old age called?
  3. 4. What is the study of weather called?
  4. 5. What is the study of religion called?
  5. 8. What is the study of man called?