Biology
Grade-8
Easy
Question
Photosynthesis supplies Earth’s atmosphere with _________ which is required for cellular respiration.
- Hydrogen
- Oxygen
- Carbon
- Nitrogen
Hint:
Oxygen is supplied by photosynthesis
The correct answer is: Oxygen
- Oxygen is the byproduct of photosynthesis
- Photosynthesis supplies the earth's atmosphere with oxygen
- This oxygen is then used in cellular respiration
- Cellular respiration provides energy to the organism
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Match the following:
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