Animalscaretips
Ctenophores
Who many species of ctenphores are there?
Compared to jellyfish, there are far fewer species of ctenophores: only 100-150 species have been found, but quite a few are out there yet to be disco...
How do ctenophora breathe?
Ctenophores have two major layers of cells: the epidermis (on the outside) and the gastrodermis (on the inside). Although they live in the water, they...