Which of the following describes how adult plants are able to grow new plants from a fragment of the body?

a) vegetative reproduction

b) phototropism

c) photoperiodism

d) hormones

Vegetative reproduction, also known as vegetative propagation, is the process in which a single parent plant has an offspring that is identical to the parent, genetically. The offspring grows from parts of the parent plant. So, the answer to this questions is a.