Cross pollination in plants occurs by means of various abiotic and biotic pollinating agents. On the basis of different types of agents mode of pollination are as follows:
(a) Abiotic agencies:
1. Anemophily- by winds
2. Hydrophily- by water
(b) Biotic agencies:
1. Entomophily- by insects
2. Ornithophily- by birds
3. Chiropterophily- by bats
4. Malacophily- by snails
5. Myremecophily- by ants
