-Ologies Crossword Puzzle

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Across
  1. 4. the study of space and objects in space
  2. 6. the study of plants and everything about them
  3. 8. the study of fish
  4. 9. the study of all kinds of animals
  5. 11. the study of heredity and inherited traits
  6. 12. the study of development of living things before birth
  7. 13. the study of organisms and how they interact with the environment, such as habitats and food web
  8. 14. the study of the different climates
  9. 16. the study of mammals
Down
  1. 1. the study of bacteria
  2. 2. the study of matter and energy and the interactions between the two through forces and motion
  3. 3. the study of cells and cell anatomy
  4. 5. the study of fungi and yeast
  5. 7. the study of nerves
  6. 10. the study of viruses and viral diseases
  7. 15. the study of freshwater systems