The Kingdom plantae can be defined as multicellular, autotrophic eukaryotes, which conduct photosynthesis. All member of this family comprises of true nucleus and advanced membrane bound organelles. They are quite different from animals. The Kingdom Plantae contains about 300,000 different species of plants. Among the five kingdoms, Kingdom plantae is a very important, as they are the source of food for all other living creatures present on planet earth, which depends on plants to survive.