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krok68 [10]
4 years ago
7

Does carbon dioxide enter a plant when the guard cells swell or when they shrink?

Biology
1 answer:
ElenaW [278]4 years ago
7 0

Answer: When cells swell up

Explanation: Plants need carbon dioxide and <u>stomata allow the plant to take in carbon dioxide to perform photosynthesis</u>. The "lips" are actually individual cells (called guard cells) <u>that can swell up to open the stomata</u> or deflate to close them off.

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