When an insect feeds on a plant, the primary tissues involved in protection and healing are the epidermis and the vascular tissues. The epidermis acts as a barrier to prevent further damage and infection, while the vascular tissues, including xylem and phloem, facilitate the transport of nutrients and water necessary for healing. Additionally, parenchyma cells play a role in wound healing by dividing and differentiating to replace damaged tissues. Together, these tissues work to defend against pests and promote recovery.
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