WVGSA Grade 8 Science Practice Questions - West Virginia General Summative Assessment Grade 8 Science Exam

How do photosynthesis and cellular respiration interact in a balanced ecosystem carbon cycle?

Both processes absorb carbon dioxide from the atmosphere Photosynthesis removes carbon dioxide from the air and releases oxygen, while cellular respiration uses oxygen and releases carbon dioxide Photosynthesis releases carbon dioxide and cellular respiration absorbs it Neither process involves oxygen or carbon dioxide exchange

Correct Answer:

Photosynthesis removes carbon dioxide from the air and releases oxygen, while cellular respiration uses oxygen and releases carbon dioxide

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