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Explain the different methods of reproduction occuring in sponges |
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Answer» (1) Sponges reproduce bothasexually and sexually and they also possess the power of : regeneration. Their sexual reproduction is similar to higher aninmals even though their BODY organization is primitive ype.(2) Asexual reproduction in sponges takes place by regeneration, budding and gemmule formation.(3) In sponges, during unfavourable period, gemnule is produced. It is an internal bud.(4) Archaeocytes which are dormant cells are seen in the aggregation in gemmule. These cells are capable of DEVELOPING into a NEW organismn.(5) Amoebocytes are other cells which secrete thick resistant layer of secretion which is coated around archaeocytes.(6) When favourable conditions of water and temperature return back, the GEMMULES can develop into new individuals by hatching. eg Spongilla. |
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