Phylum-Echinodermata

Phylum-Echinodermata

Phylum-Echinodermata The members of Phylum Echinodermata are exclusively marine animals, till now these are not found as terrestrial or freshwater. About seven thousand living species are included in this phylum. The adults are recognizable by their radial symmetry. The Phylum Read more…

Phylum-Mollusca

Phylum-Mollusca

Phylum-Mollusca Phylum Mollusca is the second-largest phylum of the animal kingdom after the Arthropod. These are soft-bodied animals. The members of this phylum are called mollusks or mollusks. Around 85000 species of mollusks are recognized. The size of mollusks ranges Read more…

Phylum-Arthropoda

Phylum-Arthropoda

Phylum-Arthropoda – (The name is derived from- Atheros-joint, pods-appendages). These are invertebrates include insects, arachnids, myriapods, and crustaceans. Phylum Arthropoda is the largest phylum of the kingdom Animalia. Around two-thirds of all species on earth belongs to the phylum Arthropoda. Read more…

Phylum-Annelida 

Phylum-Annelida 

Phylum-Annelida – (Name Annelida: Latin word, annulus: little ring) Phylum-Annelida – The organisms of this phylum also known as the ringed worms or segmented worms, are a large phylum. The phylum includes over 22,000 extant species. The variation includes ragworms, Read more…

Examples of Platyhelminthes

Phylum Platyhelminthes

Phylum Platyhelminthes (Greek; platys= Flat; helmins = worms); The flatworms. Phylum Platyhelminthes includes 13000 species. These are found as free-living as well as parasitic life forms. These are also called Flatworms because of having a dorso-ventrally flattened body. Characteristics features Read more…

Phylum - Ctenophora

Phylum- Ctenophora

Phylum- Ctenophora Ctenophora- singular ctenophore. These are commonly called sea walnuts or comb jellies or Venus’s girdles. Phylum Ctenophorehas a wide range of body forms, including the flattened, deep-sea Platyctenids,  in which the adults of most species lack combs, and the coastal Read more…

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