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  Arguably one of the more common little birdies in our woods and around feeders….  

  A logical consequence of the second law of thermodynamics could be stated,….  

  In animals that take in oxygen from their environment (like us!!!), glucose is broken down into carbon dioxide and water in a process called ___________.  

  What happens to the oxygen that is used in aerobic cellular respiration?     (hint:  think “final electron” acceptor of the ETC!)  

  In glycolysis, a major portion of the energy remains in its final product, which is _________.   (hint:  what is the initial reactant/substrate and final products of glycolysis)  

  Why are carbohydrates and fats (!!!) considered high-energy foods?   (hint: think of their structure and the equation/steps associated with cellular respiration!)  

  Energy is defined as    

  During photosynthesis, where do the carbon atoms in glucose come from?    

  In photosynthesis, carbon fixation occurs:    

  The citric acid cycle (or Kreb’s cycle) produces