Canal system of Porifera is not connected with

Statement-1: Choanocytes are characteristic cells of porifera.

Statement-2: Choanocytes are ciliated cells lining spongocoel.

Which of the following cells are present only in the epidermis of Hydra?

$\left(\mathrm{A}\right)$ Interstitial cells

$\left(\mathrm{B}\right)$ Cnidoblasts

$\left(\mathrm{C}\right)$ Sensory cells

$\left(\mathrm{D}\right)$ Germ cells

Obelia is characterised by

$\mathrm{A}.$ Ciliated free swimming planula larva

$\mathrm{B}.$ Metagenesis

$\mathrm{C}.$ Absence of cnidocytes

$\mathrm{D}.$ Statocysts present in medusoid stage

Jellyfish : __________ : : Devil Fish : Mollusca

Complete the analogy