Explain on Class Mammalia
Class Mammalia is found in a variety of habitats – polarice caps, deserts, mountains, forests, grasslands and dark caves. Some of them have adapted to…
Biology
Explain on Class Aves
The characteristic features of class Aves (birds) are the presence of feathers and most of them can fly except flightless birds (e.g., Ostrich). They possess…
Describe on Class Reptilia
Class Reptilia name refers to their creeping or crawling mode of locomotion (Latin, repere or reptum, to creep or crawl). They are mostly terrestrial animals and…
Explain Mitochondria with Structure and Functions
The organelle present in the cytoplasm that does all the functions, such as — Kreb’s cycle, fatty acid cycle, electron transport system in order to…
How the Conduction of Substance occurs through Plasma Membrane?
Conduction by plasma membrane- (1) Carrier mechanism. (2) Fixed pore mechanism Carrier mechanism: (i) Different types of protein molecules present in the cell membrane act…
Explain on Class Amphibia
Class Amphibia name indicates (Gr. Amphi : dual, bios, life), amphibians can live in aquatic as well as terrestrial habitats (Figure). Most of them have two…
Explain on Class Osteichthyes
Class Osteichthyes includes both marine and fresh water fishes with bony endoskeleton. Their body is streamlined. Mouth is mostly terminal (Figure). They have four pairs…
Explain on Class Chondrichthyes
Class Chondrichthyes are marine animals with the streamlined body and have cartilaginous endoskeleton (Figure). Mouth is located ventrally. The notochord is persistent throughout life. Gill…
Explain on Class Cyclostomata
Cyclostomes are distinguished chiefly by the absence of certain customary fishlike structures. It is a group of agnathans that comprises the living jawless fishes: the…
Describe on Phylum Chordata
Animals belonging to phylum Chordata are fundamentally characterized by the presence of a notochord, a dorsal hollow nerve cord and paired pharyngeal gill slits (Figure).…
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