Crossword Puzzle Oxygen Dynamics CrosswordOnline version Explore the transformations that occur in the presence or lack of a vital element. by Lovelygail C. Baquiran 1 A chemical reaction involving the loss of electrons, often associated with the addition of oxygen. 2 A chemical process where a substance gains electrons, often linked to the removal of oxygen. 3 Describing processes or organisms that require oxygen for survival or energy production. 4 Referring to processes or organisms that do not need oxygen to live or function. 5 The biochemical process by which living organisms convert nutrients into energy, often involving oxygen. 6 A metabolic process that converts sugar to acids, gases, or alcohol in the absence of oxygen. 7 Pertaining to reactions that involve the transfer of electrons and the involvement of oxygen. 8 The set of life-sustaining chemical reactions that involve energy transformation in living organisms. 2 1 8 7 5 6 3
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