Question

Difference between porifera and chideria

Answer 1

Answer:

porifera :

are marine, have water canal system; water comes in by ostia and goes out by osculum , digestion is intracelkular, fertilizatioj is internal, development is indirect,

examples: sycon(scypha), spongilla(fresh water sponge) and euspongia( bath sponge)

cnideria:

marine, free swimming, have cnidoblast cells , have regeneration capacity, have 2 stages polyp and medusa

examples: physalia, adamsia , aurelia, meandrina