Read this article in Hindi to learn about the structure of snail, explained with the help of a suitable diagram. पहचान एवं वर्गीकरण: कोमल शरीर का धीमी गति से चलने वाला घोंघा भी आपने लॉन, बगीचों में देखा होगा । इसका वर्गीकरण निम्नानुसार है: जगत – जन्तु-जगत् (बहुकोशिकीय, विषमपोषी जन्तु) संघ – मोलस्का (कोमल शरीर, […]
Sporocyst Larva: It looks like an elongated sac, about 0.7 mm long. Its body-wall retains all the layers of body wall of Miracidium except the ciliated ectoderm. During metamorphosis into Sporocyst, the outer coat of ciliated cells is thrown off, the pigment cells of the eye-spot separate from one another and loose their crescentic form […]
In this article we will discuss about the Inheritance of Shell Coiling in Snail. One of the classical examples of intricate relationship between maternal genotype and egg cytoplasm “phenotype” was studied in snails by Sturtevant. He showed that there are two strains of water snails (limnaea peregra) that differ each other in the direction of […]
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