What is the function of cork? – regulating the opening and closing of stomata – providing a site for photosynthesis – providing cells for primary growth – providing cells for secondary growth – insulation and waterproofing

The function of cork is insulation and waterproofing. Cork cells, produced by the cork cambium, form the outer protective layer of bark in woody plants. They help to protect the plant from physical damage, reduce water loss, and provide insulation.