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Demosponges (Demospongiae) are the most diverse class in the phylum Porifera. They include greater than 90% of all species of sponges with nearly 8,800 species worldwide (World Porifera Database). [5] They are sponges with a soft body that covers a hard, often massive skeleton made of calcium carbonate, either aragonite or calcite [citation ...
Unlike the related species Aplysina insularis, A. fistularis does not develop rope-like projections around its tubes, although it may show some branching tendrils. [4] A. fistularis does not have a silicate skeletal structure like most sponges, and was used as a bath sponge before the invention of synthetic sponges. [ 3 ]
The simplest body structure in sponges is a tube or vase shape known as "asconoid", but this severely limits the size of the animal. The body structure is characterized by a stalk-like spongocoel surrounded by a single layer of choanocytes.
J. Fred Muggs (born March 14, 1952) is a chimpanzee born in the African colony of French Cameroon that forms part of modern-day Cameroon.Brought to New York City before his first birthday, he was bought by two former NBC pages and eventually appeared on a host of television shows on that network including NBC's Today Show where he served as mascot from 1953 to 1957.
Choia is a genus of extinct demosponge ranging from the Cambrian until the Lower Ordovician periods. Fossils of Choia have been found in the Burgess Shale in British Columbia; the Maotianshan shales of China; the Wheeler Shale in Utah; the Itajaí Basin in Brazil; and the Lower Ordovician Fezouata formation.
Biblical cosmology is the biblical writers' conception of the cosmos as an organised, structured entity, including its origin, order, meaning and destiny. [ 1 ] [ 2 ] The Bible was formed over many centuries , involving many authors , and reflects shifting patterns of religious belief ; consequently, its cosmology is not always consistent.
NBC’s TODAY is a news program that informs, entertains, inspires and sets the agenda each morning for Americans, starting at 7 a.m. Want to know more about hosts Savannah Guthrie, Craig Melvin ...
He believed that demons, to materialize, had to condense vapors and with them form the body of a person or animal, then entering that body as if it were a puppet to which they gave life. Henry More supported this idea, saying that their bodies were cold due to the solidification of water vapor to form them. Many authors believed that demons ...