Character and classification of Mollusca.

1. 'Mollusca' is derived from latin word mollies or mollusks.
2. Mollu...}
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Mollusca and its economic importance.

• Definition of  the Mollusca.
• Study of the economic importance of Mollusca.
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Shell in Mollusca.

• Study of shell in Mollusca.
• Study of Structure of shell.
• Study of Variety...}
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Habit habitat and external morphology of Pila: An apple Snail.

• Largest class of Mollusca is the Gastropoda, which are represented by about 35000 living an...}
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Digestive system of Pila: An Apple Snail.

• Study of the digestive system of Pila.
• The alimentary canal of Pila...}
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Respiratory system of Pila: An apple snail.

• Study of the respiratory system of the pila.
• Study of respiratory or...}
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Reproductive system of pila: An apple Snail.

• Study  of the reproductive system of An apple snail.
• Male reproductive system...}
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Nervous system of Pila: An Apple Snail.

• Study of the nervous system of Pila. 
• Study about Ganglia and its di...}
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Excretory system of Pila. An Apple Snail.

• Study of the excretory system of An Apple Snail.
• Renal organ of an apple snail.
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Blood-Vascular of Pila. An Apple Snail.

• Study of blood vascular system of An Apple snail, related to pericardium, heart, arteries,...}
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Habit habitat Structure and Pearl Formation of Unio. Freshwater Mussel

• Study of habit and habitat of Unio.
• A structure of the  Unio.
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