What is the outer layer of cells in a root called?
- Correct Answer: epidermis
- muscles
- igneous
- skeletal
Explanation: The root has an outer layer of cells called the epidermis, which surrounds areas of ground tissue and vascular tissue. The epidermis provides protection and helps in absorption. Root hairs, which are extensions of root epidermal cells, increase the surface area of the root, greatly contributing to the absorption of water and minerals.
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