Evolution of Sporophyte in Bryophytes. (2h) UNIT-II 4. Pteridophytes: General characters and classification (Sporne’s) (3h) 5. Structure, reproduction, life cycle and systematic position of Rhynia, Lycopodium, Equisetum and Marsilea. (10h) 6. Stelar evolution, heterospory and seed habit in Pteridophytes. (2h).
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Write an essay heterospory and evolution of seed habit in pteridophytes; Micro and macro marketing essay; An introduction to the history of the labor union; The use of uniform product codes by supermarkets to reduce labor costs; My personal thoughts on love; Dar essay on the war of 1812; How to write a field report introduction starters.
IAS UPSC (CSE) Mains 1986: Botany.. Write the correct technical term for the following. Developmental pattern by which the outer most layers of xylem differentiate before any others.. Do you consider that heterospory in pteridophytes has led to seed habit? Explain.
Heterospory and seed habit, stelar evolution. Ecological and economical importance of Pteridophytes. Unit-7. Teaching Hours:6. Gymnosperms: General characteristics, classification. Classification (up to family), morphology, anatomy and reproduction of Cycas, and Pinus. (Developmental details not to be included).. Personal essay.
The seed plants protected the embryonic sporophyte from drying up by encasing it in a tough waterproof seed coat. The evolution of the seed is as profound a step as the evolution of the shelled egg in reptiles. Just as the evolution of the amniotic egg enabled reptiles to become the first truly terrestrial vertebrates, to break that final link.
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