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Question : Namethetypes of blastula presentin followinganimals: (i)Amphioxus(ii) Reptilesbirds andprototherianmammals (iii)Insects(iv)Annelids ,Molluscs

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SOLUTION :(i) Coeloblastule withblastocoelsurounded by single-layeredblastoderm
(ii)Discoblastula
(iii)PERIBLASTULA orsuperfical BLASTULA
(iv)steroblastula
(v)Coeoblastula withblastocoel surrounded bymany layed BLASTODERM.


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