In which of the following phyla did a true coelom first evolve?
- AArthropoda
- BMollusca
- CAnnelida
- DPlatyhelminthes
Explore More
Similar Questions
$A$: True coelom originated for the first time in phylum $Annelida$.
$R$: It allowed the animal to have an alimentary canal longer than the body and space for storing gametes.
$R$: It allowed the animal to have an alimentary canal longer than the body and space for storing gametes.
Medium
View SolutionAnimals with metameric segmentation, bilateral symmetry, and a closed circulatory system belong to which phylum?
Medium
View SolutionAnnelids have a central nerve cord that is
Easy
View SolutionClosed blood vascular system,presence of hemoglobin in the blood,and chitinous setae or parapodia are the characteristics of which phylum?
Medium
View SolutionAn animal with metameric segmentation/metamerism is
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo