Question

why do plants have a thick stem ?

Answer 1

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• Mostly the desert plants have a thick stem.
• Desert plants have acquired special adaptations that help them reduce water loss.
• One of them is Waxy Covering.
• Plants not only lose water through their pores, they also lose it through the cell walls on their leaves.
• The leaves and stems of many desert plants have a thick covering that is coated with a waxy substance.
• Allowing them to seal in and protect what moisture they already have.