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External features of Cycas: Cycas plant is a well developed tree. It grows in xeric habitat and is a slow growing plant reaching a height…
General characters of Gymnosperm: The plants are well developed, woody trees having true root, stem and leaves. Herbaceous or annuals habit is not found in…
General characters of Urochordata: Characters Habitat = Generally sedentary. Test of tunicine= Present Coelom= Absent in adult Notochord and nerve cord= Absent Metamerism= Absent in…
Reproductive system of Herdmania: Herdmania is bisexual or hermaphrodite. Self fertilization does not occur due to protogynous condition. (A) GONADS There is present a pair…
Slides of phylum Anelida: T.S. Pheretima (Earthworm) - Pharyngeal region (a) Body wall is formed of outer cuticle, single layered epidermis, outer layers of circular…
Digestive system of Herdmania: The digestive system of herdmania is divided into two parts- (1) Alimentary canal (2) Digestive gland (1) Alimentari canal:The alimentary canal…
What is Herdmania? SYSTEMATIC POSITION Phylum: Chordata Class: Ascidicea Order: Pleurogona Genus: Herdmania Introduction of Herdmania: Herdmania is a simple ascidian. It is popularly called…
General characters of phylum Annelida: Habitat. These are mostly aquatic and are either fresh-water (e.g. Hirudinaria) or marine (eg. polychaetes like Nereis, Aphrodite). Some are…
What is Pteridophytes? A pteridophyte is a vascular plant that disperses spores. Because pteridophytes produce neither flowers nor seeds, they are sometimes referred to as…
What is Marchantia? Gametophyte It is terrestrial and grows in damp shady 1. I and moist places. The plant body is green, prostrate, dichoto mously…