Question

why do plant have stomata and veins.​

Answer 1

Explanation:

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Answer 2

Answer:

Stomata helps in gas exchange of carbon dioxide (CO2) and releasing oxygen (O2) for the process of photosynthesis but in night, absence of sunlight photosynthesis doesn't held and plant takes O2 and release CO2 in the process of breathing at every time, day and night but the process of photosynthesis is always held in the presence of sunlight.

Also stomata regulates water movement through transpiration.

Veins also helps plants, as plants need water for photosynthesis and veins have vascular tissue, xylem and phloem which (xylem) transport water from soil by root to leaves and (phloem) also transport energy to all parts of plant which is (energy) made by leaves during photosynthesis.

I hope this resolves your query.