Epithelium Tissues - Types, Structure and Functions II Animal Physiology II Zoology II Class 9 II Ncert notes II Letsbloomstudymaterial II Free studymaterial

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Plants History and Major Plant forms (Vascular and Non-Vascular Plants) with easy notes.

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Plants: Include Land Plants as well as Aquatic plants but Plant kingdom comprises Land Plants.

Land Plants are MONOPHYLETIC in Origin and forms 10 Major Groups.

Land Plants are categorized into Non-Vascular and Vascular Plants.

Non-Vascular includes LIVERWORTS HORNWORTS and MOSSES.

Vascular Plants include seven major forms:

VASCULAR LAND PLANTS                                                                                       
1.Lycopodiophyta: (Club mosses) Having Microphylls in spirals and sporangia in leaf axils
2.Monilophyta: (Horsetails and ferns) Having Megaphylls.                                                  
                                           

Gymnosperms
3.Cycadophyta:(Cycads) Having Compound leaves, swimming sperm and seeds on                                          modified leaves.  Lack Vessels.
4.Ginkgophyta: (Ginkgo) Having fan-shaped leaves; swimming sperm. Lack                                            Vessels.
5.Gnetophyta:(Gnetophytes) Have Vessels in vascular tissue; opposite, simple                                     leaves
6.Coniferophyta:(Conifers) Have Needle like leaves, Seeds in cones







7.Angiosperm: (Flowering Plants) Have Endosperm, gametophytes much reduced; seeds within fruit  





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