WebThe body of Ctenophora has 8 external rows of ciliated comb plates, which help in the locomotion of animals. Digestion is both extracellular and intracellular. They exhibit a well-marked property of Bioluminescence (living organisms that produce light). Fertilization is external with indirect development. WebThe Recent Ctenophora is a compact morphologically group and even if some among them are benthic, these certainly developed their mode of life secondarily from pelagic ancestors. ... Ctenophores have rows of cilia arrays (comb plates) that are used for locomotion and they are lacking nematocytes (Brusca and Brusca, 2002; Pang and Martindale, 2008).

Animalia Lower Invertebrates: Characteristics, Classification and ...

WebCtenophores, or comb jellies, are delicate, transparent, mostly pelagic, marine carnivores. They have biradial symmetry, an oral-aboral axis of symmetry, and three layers (two cell layers and a thick cellular mesoglea ). Some true organs are present. About 80 species, ranging in size from millimeters to over a meter, are known. WebCtenophores are one of the most beautiful, frail creatures to be found anywhere in the ocean. Some are shaped like little glass balls, others like tulips, almost perfectly clear except for their ciliated comb plates that look like zippers. Watch Ctenophore Jellyfish videos on … ppsk authentication

Match List - I with List - II. (a) Metamerism (i) Coelenterata

WebThe arrangement of comb plates gives the appearance of radial symmetry; the tentacles and branching of gastro vascular canals are of bilateral type. 5. Germ Layers: They are … WebIntroduction to Ctenophora. Ctenophores (Greek for "comb-bearers") have eight "comb rows" of fused cilia arranged along the sides of the animal, clearly visible along the red lines in these pictures. These cilia beat … pps jobs ottawa