Discussion on Anatomy of Flowering Plants


 

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Posted on: 09:21:19 AM on November 9, 2017
Posted By:
gaikwads177
skeleton of sponge


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Posted on: 02:51:38 PM on January 13, 2018
is made up of calcium carbonate and is very hard.



Posted on: 01:53:04 PM on January 17, 2018
Skelton is of calcareous and siliceous spicules or of fine spongin fibres or of both



Posted on: 12:08:42 AM on September 16, 2018
Many sponges have internal skeletons of spongin and/or spicules of calcium carbonate or silicon dioxide.





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