Unit 2 Vocabulary

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Across
  1. 6. A chemical that causes a reaction
  2. 7. a plant and algal cell organelle that performs photosynthesis
  3. 12. organisms that break down dead organisms and release the nutrients from the dead matter
  4. 15. process involving a series of protein complexes that transfers electrons to create a proton gradient
  5. 18. ellular organelles, known as the "powerhouses of the cell," that convert nutrients into ATP
  6. 22. the process by which plants, algae, and some bacteria convert light energy into chemical energy, using sunlight, water, and carbon dioxide to create glucose
  7. 23. metabolic process in cells that converts chemical energy from nutrients like glucose into adenosine triphosphate (ATP)
  8. 26. the total sum of water found on, under, and above the Earth's surface
  9. 28. a nonmetallic element central to life
Down
  1. 1. The layer of gases surrounding a planet
  2. 2. the rocky part of Earth, extending from the surface to the core
  3. 3. Without Oxygen
  4. 4. A heterotroph is an organism that cannot produce its own food
  5. 5. a colorless, odorless, nonmetal gas that makes up about 78% of Earth's atmosphere
  6. 8. Universal energy-carrying molecule essential for cellular processes
  7. 9. a chemical element; it has symbol P and atomic number 15.
  8. 10. With Oxygen
  9. 11. an ancient metabolic process, driven by microorganisms like yeast and bacteria, that breaks down carbohydrates and organic compounds into simpler ones
  10. 13. pigment that gives plants and algae their green color.
  11. 14. an organism that can convert abiotic sources of energy into energy stored in organic compounds
  12. 16. Outcome result of a reaction
  13. 17. second stage of photosynthesis where carbon dioxide is converted into glucose
  14. 19. the part of the Earth that supports life
  15. 20. anything in the universe that has mass and volume
  16. 21. Glycolysis is the metabolic pathway that converts glucose into pyruvate
  17. 24. the first stage of photosynthesis, occurring in the chloroplasts'
  18. 25. Molecule crucial for cellular energy transfer
  19. 27. a crucial series of metabolic reactions that release energy from nutrient breakdown