molluscs have calcareous shell that provides protection to visceral organ is secreted by which one 1) coelom 2) inner body 3) mantle 4) ectoderm which one is correct ?
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Answer:
The correct option of the given question is option 3 Mantle.
Explanation:
Molluscs have calcareous shell that provides protection to visceral organ is secreted by mantle of the body.
This calcareous shells helps in increasing the size of the organism and provides strength to the organism.
Ectodermic cells of mantle secrete this shell.
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Molluscs have calcareous shell that provides protection to visceral organ. It is secreted by mantle.
Option 3)
Explanation:
- It is the mantle of the molluscs that effectively secrete calcium carbonate from it and it creates the calcareous shell of these living organisms.
- These shells after secretion becomes hard and forms a protective covering surrounding the animals and keep their internal organs and visceral organs safe from external attack or abuse.
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