Plants reproduce by pollen grains. There are 2 types of pollination: Cross pollination and Self pollination. They are primarily pollinated by means of wind pollination or insect pollination.
Plants have following major classical groups . 1; Spermatophyta (seed plants ) including Angiosperms and Gymnosperms. 2 ; Pteridophyta (spore producing plants eg club mosses. 3 ; Bryophyta ( Non...