The movement of propagation units such as seeds away from the parent plant by mechanical means such as wind, animals etc.
Referring to seeds, this describes the removal of seeds from parent plant to a new location by wind, water, birds, or other animals. Many fruits are fleshy or have a fleshy coat around the seeds. This is attractive to animals, which eat the flesh and pass seeds in feces. Birds often regurgitate large seeds.
The mode of distribution of propagation units.