AP BIOLOGY

Detailed explanation-1: -Plants are flexible due to the presence of collenchyma. Collenchyma tissue is present in leaf stalk below the epidermis and provides mechanical support to the plant.

Detailed explanation-2: -Final answer: The flexibility in plants is due to Collenchyma tissue.

Detailed explanation-3: -Collenchyma is a type of permanent tissue. It allows easy bending of plant parts without their breakage. It provides mechanical support to plants thus it provides flexibility to plants. It is present in leaf stalks below the epidermis.

Detailed explanation-4: -Collenchyma tissue is specialised to provide flexibility to various parts of the plant like petiole and stem since they are non lignified. It allows for easy bending without breakage.

Detailed explanation-5: -Collenchyma tissue is composed by elongated living cells of uneven primary thick walls, which possess hemicellulose, cellulose, and pectic materials. It provides support, structure, mechanical strength, and flexibility to the petiole, leaf veins, and stem of young plants, allowing for easy bending without breakage.