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…
What is Raja or skate? Classification: Phylum Chordata Order: Hypotremata Class: Chondrichthyes Genus: Raja Habitat: Raja is a marine cartilage fish which lies at the…
What is Draco or flying drygon? Classification: Phylum Chordata Class Reptilia Order: Squamata Genus: Draco Habitat: Draco is arboreal, living on trees. It feeds on…
What is Hydrus or sea snake? Classification: Phylum: Chordata Class: Reptilia Order: Squamata Genus: Hydrus Habitat: It is a marine snake, commonly found in Indian…