Do Cnidarians Have Three Tissue Layers
Cnidarians consist of two cell layers. Whereas the defining cell type for the sponges is the choanocyte the defining cell type for the cnidarians is. Mr Joanides Wiki Pages Licensed For Non Commercial Use Only Porifera And Cnidarians 6 Study Biology Biology Notes Vertebrates And Invertebrates Does the animal have spicules and no distinct tissues. . The outer ectoderm or epidermis contains the cnidocysts the stinging cells that are characteristic of the phylum. Between both layers they have the mesoglea which is a connective layer. Cnidarians are said to be the simplest organisms at the tissue grade of organization. The inner layer the gastrodermis secretes digestive juices into the inner space called the gastrovascular cavity. The gastrodermis is formed from endoderm. Cnidarians have two tissue layers. It is formed from ectoderm. No it has 3 tissue layers no nematocysts and shows bilateral symmetry. While ...