Photosynthesis and Respiration

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Questions and Answers

Which process uses energy from sunlight to create sugars and oxygen gas?

  • Photosynthesis (correct)
  • Autotrophs
  • Phytoplankton
  • Respiration

What are autotrophs also known as?

  • Cell feeders
  • Primary producers (correct)
  • Photosynthetic bacteria
  • Marine organisms

What are the majority of primary producers in the marine realm?

  • Photosynthetic bacteria
  • Algae called phytoplankton (correct)
  • Autotrophs
  • Plant plankton

What do autotrophs combine with water in the presence of sunlight to produce sugar and oxygen gas?

<p>Carbon dioxide (A)</p> Signup and view all the answers

Which process releases carbon dioxide gas and water that are used in photosynthesis?

<p>Respiration (D)</p> Signup and view all the answers

Which process uses energy from sunlight to convert carbon dioxide and water into sugar and oxygen gas?

<p>Photosynthesis (B)</p> Signup and view all the answers

What is the byproduct of photosynthesis?

<p>Oxygen gas (A)</p> Signup and view all the answers

Which process breaks down the sugar molecule to release energy and produce carbon dioxide and water?

<p>Respiration (A)</p> Signup and view all the answers

What is the purpose of the chemical energy in sugars?

<p>To fuel metabolic processes (A)</p> Signup and view all the answers

What do photosynthesis and respiration together cycle?

<p>Carbon, oxygen, and energy (C)</p> Signup and view all the answers

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