Question

Given any two examples for each of the following cases where dispersal of fruits and seeds takes place: (i) by birds (through excreta) (ii) by human beings

Answer 1

Dispersal by animals also called zoophily in which various animals mainly insects help in pollination.

1. Endozoochory is the term used by the pollination done through birds by their excreta. Examples are Prunus avium (wild cherry) and Prunus padus (bird cherry)
2. Seed dispersal done by humans is known as anthropochory and it occurs through clothes, hands, shoes etc the seed stuck on these and move along with the human. Examples are milk thistle and burdock their seeds are attached to clothes and disperse itself.