Ctenophores have no brain or central nervous system, but instead have a nerve net (rather like a cobweb) that forms a ring round the mouth and is densest near structures such as the comb rows, pharynx, tentacles (if present) and the sensory complex furthest from the mouth. See more Ctenophora comprise a phylum of marine invertebrates, commonly known as comb jellies, that inhabit sea waters worldwide. They are notable for the groups of cilia they use for swimming (commonly referred to as "combs"), and … See more Distribution Ctenophores are found in most marine environments: from polar waters to the tropics; near coasts and in mid-ocean; from the surface … See more Despite their fragile, gelatinous bodies, fossils thought to represent ctenophores – apparently with no tentacles but many more comb-rows … See more • Gelatinous zooplankton See more Among animal phyla, the Ctenophores are more complex than sponges, about as complex as cnidarians (jellyfish, sea anemones, etc.), and less complex than bilaterians (which … See more For a phylum with relatively few species, ctenophores have a wide range of body plans. Coastal species need to be tough enough to … See more The number of known living ctenophore species is uncertain since many of those named and formally described have turned out to be identical to species known under other scientific names. Claudia Mills estimates that there about 100 to 150 valid species that are not … See more WebCtenophores were removed from the phylum Cnidaria and placed in a new phylum called Ctenophora (pronounced ti-NOF-or-uh). Although both ctenophores and cnidarians …
Search for "jelly" ClipArt ETC
Web... the ctenophore Ctenophores, or "comb jellies," are a clade of marine animals fulfilling both of the above requirements. They can be found living at À2 C to 30 C, from the surface to over... http://tolweb.org/Ctenophora/2462 chuck swaney johnstown pa
千姿百态的冠轮动物（四）--环节动物II - 知乎
WebThe phylum Ctenophora , commonly known as comb jellies, is a phylum that includes the sea gooseberry… Honey Bees Bees are flying insects closely related to wasps and ants. WebThis diagram applies only to the Lobat=. In the Cestidz, on the other hand, the oral forks of the paragastric canal of each side of the body unite with the two subtentacular and ~ubventral meridional vessels of that side only. Thus in … WebFeb 15, 2015 · The ctenophore neural systems consist of at least four cell populations: (1) subepithelial nerve nets (neurons and neurites); (2) intramesogleal neural nets; (3) subgastrodermal elements and neural elements in tentacles; and … chuck swarm \u0026 family auto repair