Porifera are sponges. An octopus is a mollusk.
The octopus is in the phylum Mollusca.
Yes
No
No, an octopus would be an example of a mollusk (not a cnidarian).
it is an Octopus or Squid.
Yes, coral is a cnidarian.
On the field trip, I saw a "cnidarian"when we went on a submarine.**************************A jellyfish is a basic example of a cnidarian.
respiratory system is a cnidarian
No- they do not belong to the phylum Cnidarian. They belong to Molluska.
A jelly fish. Cnidarian's have a sting cell called a cnidnocyte which is the defining feature.
No it is not. :)
Cnidarian comes from the Greek/Turkish word "Cnidos" which means stinging nettle
no :P
The sea
no. they are cetaceans.