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  • Mantle cavity is the space between  Option: 1 Foot and headOption: 2 Visceral h

Mantle cavity is the space between
 

Option: 1

Foot and head


Option: 2

Visceral hump and mantle


Option: 3

Mantle and foot


Option: 4

None of these

 


Answers (1)

best_answer

 

 

 

Body Plan of Mollusca:

  • Molluscs are unsegmented animals. 
  • The body may have a covering of hard calcareous shell. The body can be distinguished into three different parts as:
  • Head - sensory organs and mouth are present here
  • Muscular foot - used for locomotion
  • Visceral hump - dorsally placed and contains digestive system, excretory system and heart.
  • There is a soft and spongy layer of skin over the visceral hump called mantle. 
  • This mantle secretes calcium carbonate shell on its outer surface.
  • The space between the visceral hump and mantle is called mantle cavity. Gills are present in this cavity.
  • The general body plan of molluscs can be shown as follows:

-

 

 

 

 

The space between the visceral hump and mantle is called mantle cavity. Gills are present in this cavity.

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Riya

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