Why Do Leaves Have a Large Surface Area?

Answer

Not all leaves have a wide surface area. In those that do however, it is so that they can absorb maximum light for photosynthesis and also for maximum gaseous exchange. Those that don't especially the ones in the desert, have found ways to adapt to the environment and successfully carry out the processes of gaseous exchange and photosynthesis.
Q&A Related to "Why Do Leaves Have a Large Surface Area"
leaves have a big surface area because then they can absorb all the possible light energy they can for photosynthesis.
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