This method of growing a new shrub is a type of asexual reproduction by fragmentation
Fragmentation is a type of asexual reproduction in which the parent organism is separated into many fragments, and each fragments will develop into complete matured individuals that are identical to the parent. Some animals and plants such as shrubs, ferns reproduce by fragmentation.
The best answer among the following choices to fill in the blank would be A).
According to Thelen {1986}, THE STEPPING REFLEX may contribute to the birthing process.
Stepping reflex is one of the reflexes demonstrate by new born babies. When resistance is exerted on the feet of a new born baby, the baby will respond by placing one foot in front of the other, this is called stepping reflex and Thelen suggested that this reflex may help in the birthing process.