Evolution of Porifera from Protozoa is eviden | vedclass

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(A) The evolution of $Porifera$ (sponges) from $Protozoa$ is supported by the existence of colonial flagellates like $Proterospongia$.$Proterospongia$

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$Proterospongia$

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(A) The evolution of $Porifera$ (sponges) from $Protozoa$ is supported by the existence of colonial flagellates like $Proterospongia$.$Proterospongia$ is a colonial organism that exhibits characteristics of both protozoans (choanoflagellates) and sponges.It consists of a colony of flagellated cells that resemble the choanocytes (collar cells) found in sponges,which suggests a common evolutionary link between colonial protozoans and the simplest multicellular animals,the sponges.

Evolution of $Porifera$ from $Protozoa$ is evidenced by the animals like:

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