These organisms have a jelly-like substance between two layers of epithelial tissue; that substance is called mesoglea.
These organisms have a jelly-like substance between two layers of epithelial tissue; that substance is called mesoglea. This phylum lacks a hard skeleton, instead relying on a hydrostatic skeleton. They can reproduce either sexually or asexually; the mode depends mainly on environmental factors. The name of these organisms comes from the specials cells that these organisms use for defense and predation. The young form of this phylum is known as the polyp form, while the adult form is the medusa. Name this phylum that contains organisms such as hydras and jellyfishes.
These organisms have a jelly-like substance between two layers of epithelial tissue; that substance is called mesoglea.
{cnidaria}