Question

Have you seen vines like the pumpkin, the railroad creeper, kavali, watermelon or the grapevine ? How do they grow ?

Answer 1

because they are climbers

Answer 2

These plants grow as they slide on the ground ,the plant has got tendrils to assist in supporting . As these plants grow towards certain stimulus , the elongation is stimulated by some hormones such as auxin . Auxin migrate to the darker part leading to faster elongations in the sidea the receive maximum light leading to growing in a sliding manner.

EK