TREE PHYSIOLOGY
PHOTOSYNTHESIS
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 Question 
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 How do plants get the carbon dioxide they need for photosynthesis? 
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  Carbon dioxide is produced in a chemical reaction inside their chloroplasts. 
 
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  Carbon dioxide enters their leaves from the atmosphere. 
 
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  Carbon dioxide enters their roots from the soil. 
 
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  Carbon dioxide is produced in a chemical reaction inside their mitochondria. 
 
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 Explanation: 
Detailed explanation-1: -Stomata are the small pores present on the leaves of the plant. Carbon dioxide enters the plants through these openings.
Detailed explanation-2: -Carbon dioxide enters through tiny holes in a plant’s leaves, flowers, branches, stems, and roots. Plants also require water to make their food. Depending on the environment, a plant’s access to water will vary.
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