What is the difference between cnidaria and ctenophores? Is ctenophore a part of coelenterata too? Please give complete information
Cnidaria | Ctenophora | |
They are highly diversified | Less diversified with compare to cnidarians | |
Mostly marine | Exclusively marine | |
Sessile or free swimming | They swim with help of comb plates. | |
Presence of cnidoblast cell or stinging cell, characteristic of this phylum. | The body of ctenophores possess comb plate which are characteristic of this phylum. | |
Exhibit two types of body form polyp and medusa. | They do not exhibit two forms. | |
Alternation of generation is present in this phylum | Absent | |
They don't show bioluminescence | Show bioluminescence |
Phylum Cnidaria is known as coelenterata whereas Ctenophora is a different phylum. Initially the both phylum were kept under colentrata but now they are separated.