What is Heart attack ?
What is Heart attack ? A blockage of blood flow to the heart muscle. A heart attack is a medical emergency. A heart attack usually occurs when…
What is Lipids:
What is Lipids: Introduction of Lipids: Bloor (1943) defined the lipids as – “Lipids are naturally occurring heterogeneous organic…
What is Protein:
What is Protein: Proteins are complex nitrogenous organic bio-polymers of amino acids showing greatdiversity in their organization and are of…
General characters of Urochordata:
General characters of Urochordata: Characters General characters of Cephalochordata: (1.) Habitat
Reproductive system of Herdmania:
Reproductive system of Herdmania: Herdmania is bisexual or hermaphrodite. Self fertilization does not occur due to protogynous condition. (A)…
Slides of phylum Anelida:
Slides of phylum Anelida: (b) Presence of true coelom lined by peritoneal layers. (c) Presence of section of pharynx in the centre. (d)…
Digestive system of Herdmania:
Digestive system of Herdmania: The digestive system of herdmania is divided into two parts- (1) Alimentary canal (2) Digestive gland (1)…
What is Herdmania?
What is Herdmania? SYSTEMATIC POSITION Phylum: Chordata Class: Ascidicea Order: Pleurogona Genus: Herdmania Introduction of Herdmania:…
General characters of phylum Annelida:
General characters of phylum Annelida: 8.Metameric segmentation. In this, external division of body by annuli corresponds to internal division…
What is Raja or skate?
What is Raja or skate? Classification: Phylum Chordata Order: Hypotremata Class: Chondrichthyes Genus: Raja Habitat: Raja is a marine…