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To dosere the dermal tissues in reho leafActivity |
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Answer» ong>Answer: Explanation: The epidermis is a dermal tissue that is usually a single layer of cells covering the younger parts of a plant. It secretes a waxy layer called the cuticle that inhibits water loss.
Some of the many types of cells in the epidermis are shown below.
Epidermis from onion Most epidermal cells lack CHLOROPLASTS.
Epidermis from onion Guard cells contain chloroplasts and REGULATE gas exchange between the inside of the leaf and the surrounding air.
Epidermal hairs lower water loss by decreasing the flow of air over the plant surface, which in TURN, slows the loss of water from the plant.
Glandular hairs prevent HERBIVORY by storing substances |
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