Crossword 2.

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Across
  1. 4. science /Study of how humans impact the Earth and its resources.
  2. 5. /The study of climate change.
  3. 7. /Study of fish.
  4. 10. /Study of fungi and yeast.
  5. 13. zoology /Study of animals without a backbone.
  6. 14. /Study of natural, reoccurring chemical compounds and their properties;quarts, fluorite, and calcite.
Down
  1. 1. /Study of how the immune system and its responses to invading pathogens.
  2. 2. /The study of freshwater, such as rivers, ponds, lakes, creeks.
  3. 3. /Study of worms, particularly parasitic.
  4. 6. /The study of cell biology including cell anatomy and physiology.
  5. 8. /Study of mammals.
  6. 9. /Scientific studies on the atmosphere and weather.
  7. 10. biology /Study of life in water(ocean(s) preferably).
  8. 11. /The study of bacteria, especially in relation to medicine and agriculture.
  9. 12. /Study of water on Earth.