Annelida and Mollusca resemble in many embryo | vedclass

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(A) Annelida and Mollusca are closely related phyla in the animal kingdom.Both phyla exhibit $Spiral$ $cleavage$ during early embryonic development.Fu

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Spiral cleavage and mesoderm formation

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(A) Annelida and Mollusca are closely related phyla in the animal kingdom.Both phyla exhibit $Spiral$ $cleavage$ during early embryonic development.Furthermore,both groups show similar patterns of $mesoderm$ $formation$ from specific cells (often the $4d$ blastomere).These shared developmental characteristics suggest a common evolutionary ancestry,often grouping them under the clade $Lophotrochozoa$.

Column $X$	Column $Y$
$(1)$ Green gland	$(P)$ Mollusca
$(2)$ Digestive tract with digestive glands	$(Q)$ Arthropoda
$(3)$ Straight or coiled alimentary canal	$(R)$ Hemichordata
$(4)$ Straight or $U$-shaped digestive tract	$(S)$ Echinodermata

Annelida and Mollusca resemble in many embryonic features because both have

Similar Questions

Select the correct match for $X$ and $Y$:
Column $X$ Column $Y$
$(1)$ Green gland $(P)$ Mollusca
$(2)$ Digestive tract with digestive glands $(Q)$ Arthropoda
$(3)$ Straight or coiled alimentary canal $(R)$ Hemichordata
$(4)$ Straight or $U$-shaped digestive tract $(S)$ Echinodermata

Which of the following is common between Annelida and Arthropoda?

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