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Phylum Mollusca

सामान्य लक्षण (General Characters) वर्गीकरण (Classification) पर्ल ऑयस्टर तथा मोती का निर्माण (Pearl Oyster and Formation of Pearl)

वर्गीकरण (Classification)

Characteristics Of Annelida( Gr. Annulus = little ring ; eidos= form ) वर्गीकरण (CLASSIFICATION) Metameric Segmentation (मेटामेरिक सेग्मेंटेशन)

वर्गीकरण (Classification) –

biology.lecturs / September 10, 2025

What is cell : ” The cell is most important invention in nature .” – Sir Rudolf Peters (1968) CELL

वर्गीकरण (Classification) : ज्वाला कोशिकाएं (Flame Cells) :

सामान्य लक्षण (Characters) : वर्गीकरण (Classification) : Velum In Coelentrata : दंश कोशिकाएं (Cnidoblast Or Nematocytes) :

[ Gr. Poros =pore ; fere = to bear ] General Characters Of Phylum Porifera : सामान्य लक्षण (General Characters

Characters Of Solanaceae Family : floral formula

General Characters Of Protozoa – Gr. Protos= first , Zoons = animal वर्गीकरण ( Classification ) :