Phylum Annelida resembles Mollusca in embryon | vedclass

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(A) Phylum $Annelida$ and $Mollusca$ are both classified under the group $Lophotrochozoa$ (or $Protostomia$).Both phyla exhibit $spiral$ $cleavage$ du

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Spiral cleavage and mesoderm formation

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(A) Phylum $Annelida$ and $Mollusca$ are both classified under the group $Lophotrochozoa$ (or $Protostomia$).Both phyla exhibit $spiral$ $cleavage$ during early embryonic development.Furthermore,in both groups,the $mesoderm$ is derived from a specific cell called the $4d$ cell (or $mesentoblast$),which is a characteristic feature of $spiral$ $cleavage$ in protostomes.Therefore,they share similarities in their early embryonic development patterns.

Phylum $Annelida$ resembles $Mollusca$ in embryonic features because both have

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Crocodile and penguin are similar to whale and dogfish in which one of the following features?

Which of the following statements is correct?

Choose the correct option for the following statements:
$(i)$ Metamerism is a characteristic feature of $Annelida$ / $Arthropoda$.
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Select the correct matching pair.

Give one example each for an animal possessing placoid scales and that with cycloid scales.

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