C4.2

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Across
  1. 8. process by which digested carbon compounds are used to construct necessary molecules in an organism.
  2. 9. A carbon source when fuels like coal, oil, or gas are burned, releasing stored carbon.
  3. 10. Energy can enter and exit. Matter cannot.
  4. 12. Organisms that utilize chemical reactions involving inorganic molecules to generate energy
  5. 13. what forms at the bottom of seas and lakes where decomposition of marine animals is often not completed?
  6. 14. Do directions matter in food chain?
  7. 16. A carbon sink where trees and plants store carbon through photosynthesis
  8. 17. An organism that creates its own energy,
  9. 18. A conceptual framework that organizes observations and relationships, offering potential insights into underlying principles without guaranteeing certainty.
Down
  1. 1. resources (matter and energy) can enter and exit.
  2. 2. All the living components of an ecosystem.
  3. 3. microbes that produce methane gas through methanogenesis in anaerobic conditions
  4. 4. net absorber of carbon dioxide
  5. 5. organic matter is heated in the presence of oxygen
  6. 6. Foundational statements that encapsulate recurring observations in nature
  7. 7. A process involving the loss of electrons
  8. 10. Chemical energy from photosynthesis passes from producers to_____
  9. 11. The process by which microorganisms produce food using energy from chemical reactions, hint: absence of sunlight.
  10. 15. Something that use arrows to suggest how energy moves in ecosystems, with producers often at the base.