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Pteridospermales are characteristic gymnosperm plants that bore fern like foliage and posses unpr...
Pteridospermales (Seed Ferns):Geological Horizons
Anatomy of leaf of cycas Stem of cycas
This PPT intends to present the vascular bundles in plants, its diversity, origin and function in m...
MCQ of plant anatomy
pteris- a pteridophyte, distribution, life cycle
Structure, reproduction, life history and systematic position of Lycopodium
Stelar evolution and alternation of generation
Gymnosperm -Cycadeoidea plant
Pteris
introduction, description, examples and explanation of ecological succession and ecological pyramids...
Key environmental problems and its sustainable solutions.
Paleobotany Calamites,Lepidodendron, Lyginopteris, Pentoxylon, Contribution of Birbal sahni
GE3451