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Lesson 1: How Organisms Obtain Energy Vocabulary Quiz

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Questions	Answers
The most important biological molecule that provides chemical energy.	Adenosine Triphosphate (ATP)
Catabolic pathway in which organic molecules are broken down to release energy for use by the cell	Cellular Respiration
The ability to do work.	Energy
All of the chemical reactions in a cell.	Metabolism
Anabolic pathway in which light energy from the Sun is converted to stored chemical energy for use by the cell	Photosynthesis
The study of the flow and transformation of energy in the universe.	Thermodynamics
Each step in a food chain or a food web	Trophic Level