A worm is usually on land and is a generic term for all non-arthropod invertebrates. A cnidaria generally lives in marine and other aquatic environments, and have specialized cells that capture prey.
No. they are mollusks
They both have a true coelom and bilateral symmetry.
Porifera = sponges. Cnidaria = jellyfish Mollusca = molluscs Nematoda = round worms
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No. They are bivalve mollusks.
Porifera (Sponges)Cnidaria (Coelenterates)Flatworms (Platyhelmenthes)Roundworms (Aschelmenthes - Nematode)Segmented worms (Annelids)Mollusks (Soft-Bodied/ hard shelled Animals)Echinoderms (Spiny-Skinned Animals)Arthropods
Worms are not considered to be mollusks. Many types are annelids, such as earthworms, and others are nematodes or platyhelminthes.
sponges are alike to worms
No, jellyfish are not vertebrates; they are invertebrates. They belong to the phylum Cnidaria and lack a backbone or spinal column. Instead, they have a gelatinous body structure and are primarily composed of water. Other examples of invertebrates include worms, mollusks, and crustaceans.
they both are inverterbrates
Sponges,Worms,Mollusks,Arachnids,and Echinoderms
worms mollusks