"Sclerenchyma and collenchyma" are the type of tissues among the choices given in the question that are at work to protect the plant and help it heal from injury when <span>an insect is feeding on a plant. The correct option among all the options that are given in the question is the first option.
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The answer is A. Hope this helps.
Answer:
Substances from an area of low concentration to and are of high concentration
