General purpose of this lecture is to present on the World of Plants. World of Plants is divided into: (a) Introducing plants; (b) Growing plants (Pollination, Fertilization, Asexual reproduction). Plants are the link between the energy in the sun being converted into a form which animals can eat and get the energy to survive. The process by which plants do this is called: Photosynthesis. All living things respire all the time to release energy from their food in a process called: Respiration.