Question

fill each box with \produces\ or
eeds\.
name:
photosynthesis vs. cellular respiration

Explanation:

Photosynthesis is a process where plants use light energy to convert carbon dioxide and water into glucose and oxygen. Cellular respiration is the process where cells break down glucose (using oxygen) to produce ATP (energy), carbon dioxide, and water. So, for each component:

• Light energy: Photosynthesis needs it.
• Glucose: Photosynthesis produces it; cellular respiration needs it.
• Water: Photosynthesis needs it; cellular respiration produces it.
• Oxygen: Photosynthesis produces it; cellular respiration needs it.
• Carbon dioxide: Photosynthesis needs it; cellular respiration produces it.
• ATP (Chemical energy): Cellular respiration produces it; photosynthesis (specifically the light - dependent reactions) can produce ATP (but in the context of comparing to cellular respiration, cellular respiration is a major producer. However, if we consider the overall energy flow, in photosynthesis, light energy is converted to chemical energy (ATP and NADPH) which is then used to make glucose. But based on the general "produces/needs" comparison): Cellular respiration produces ATP (chemical energy in the form of ATP), and in photosynthesis, light energy is converted to chemical energy (but the box says "Chemical energy ATP", so photosynthesis (light - dependent reactions) produces ATP, but more importantly, cellular respiration is the main process for ATP production in most cells. But if we follow the basic reactants and products:
• For the "Chemical energy ATP" box: Cellular respiration produces ATP.
• For the light energy box: Photosynthesis needs light energy.

Answer:

• Light energy: needs (Photosynthesis)
• Glucose: produces (Photosynthesis), needs (Cellular Respiration)
• Water: needs (Photosynthesis), produces (Cellular Respiration)
• Oxygen: produces (Photosynthesis), needs (Cellular Respiration)
• Carbon dioxide: needs (Photosynthesis), produces (Cellular Respiration)
• Chemical energy (ATP): produces (Cellular Respiration)