The first true organ system grade of body org | vedclass

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Question

(A) The $Platyhelminthes$ (flatworms) exhibit organ-level body organization,where tissues are grouped together to form organs.However,the first true $

Vedclass · Accepted Answer

Annelida

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(A) The $Platyhelminthes$ (flatworms) exhibit organ-level body organization,where tissues are grouped together to form organs.However,the first true $organ-system$ grade of body organization,where organs associate to form functional systems (like digestive,circulatory,etc.),is first observed in the phylum $Annelida$.Therefore,$Annelida$ is the correct answer.

The first true organ system grade of body organization is developed in:

Similar Questions

Write the general characters of Phylum Annelida.

Which class of animals possesses a closed circulatory system?

$P$ (Assertion): The first circulatory system is observed in the phylum Annelida.
$Q$ (Reason): The first true coelom is observed in the phylum Annelida.

Animals with metameric segmentation, bilateral symmetry, and a closed circulatory system belong to which phylum?

Suctorial mouth occurs in

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