Science and Nature

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Across
  1. 2. Weak chemical bond between hydrogen and another element.
  2. 6. Energy derived from the heat of the Earth's interior.
  3. 8. Organism that preys on other organisms for food.
  4. 11. Altering genes in an organism's DNA.
  5. 14. Substance composed of two or more elements chemically combined.
  6. 15. Variety of life in a particular habitat or ecosystem.
  7. 16. Smaller than an atom, referring to particles like protons and neutrons.
  8. 19. Symbiotic association between fungi and plant roots.
  9. 20. Gas in Earth's atmosphere that protects against ultraviolet radiation.
Down
  1. 1. Capacity to endure and maintain balance over the long term.
  2. 3. Study of the relationships between organisms and their environments.
  3. 4. Permanently frozen ground found in polar regions.
  4. 5. Process of transformation or development in an organism's life cycle.
  5. 7. Related to earthquakes or other vibrations in the Earth.
  6. 9. System combining aquaculture (fish farming) and hydroponics (plant cultivation).
  7. 10. Proposed epoch marking the impact of human activity on the Earth's geology and ecosystems.
  8. 12. Occurrence when one celestial body moves into the shadow of another.
  9. 13. Species native to a specific geographic area.
  10. 17. Large ocean wave caused by gravitational forces, often triggered by an earthquake.
  11. 18. Design and production inspired by nature's patterns and strategies.