Animals devoid of respiratory,excretory,and circulatory organs belong to the phylum:

  • A
    Echinodermata
  • B
    Porifera
  • C
    Platyhelminthes
  • D
    Mollusca

Explore More

Similar Questions

Water transport or water canal system is a characteristic of

The collar-bearing flagellated cells of Porifera are known as ..........

In animals of the phylum Porifera,through which structure does excess water exit the body?

What is the location and function of collar cells?

Sponges exchange $O_2$ with $CO_2$ by . . . . . . .

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo