How to use poriferan in a sentence? Find typical usage patterns (collocations)/phrases/context for "poriferan" and check conjugation/comparative form for "poriferan". Mastering all the usages of "poriferan" from sentence examples published by news publications.
Some invertebrates use calcium compounds for building their exoskeleton (shells and carapaces) or endoskeleton (echinoderm plates and poriferan calcareous spicules).
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In the accompanying video clip Hamada tackles his most challenging acting role to date, playing the world's most famous poriferan, whilst bouncing on a trampoline surrounded by balloons and fawning children. The song was a huge hit in Egypt and the whole Arabic- speaking world.
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Journal of Molecular Evolution 59, 41 (2004). A combination of stem cell and apoptosis factors studies is used as a model for studies of development in higher animals.B. Luthringer et al., Poriferan survivin exhibits a conserved regulatory role in the interconnected pathways of cell cycle and apoptosis.
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Dysidea arenaria is a species of marine sponge (poriferan) found in the Pacific Ocean. It is a member of the order Dictyoceratida, one of two sponge orders that make up the keratose or "horny" sponges in which a mineral skeleton is absent and a skeleton of organic fibers is present instead.
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Most studies support the monophyly of siliceous sponges. The group, as a part of the phylum Porifera, has been named Silicispongia Schmidt, 1862 and Silicea Bowerbank, 1864. Silicarea is a proposed new phylum based on molecular studies of the phylum Porifera. It consists of the Poriferan classes Demospongiae and Hexactinellida.
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Map of the Southern African coastline showing some of the landmarks referred to in species range statements The list of marine sponges of South Africa is a list of saltwater species that form a part of the poriferan (Phylum Porifera) fauna of South Africa. This list does not include the freshwater sponges. The list follows the SANBI listing on iNaturalist, and does not always agree with WoRMS for distribution.
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Such a skeleton is present in echinoderms and chordates. The poriferan 'skeleton' consists of microscopic calcareous or siliceous spicules or a spongin network. The Coleoidae do not have a true endoskeleton in the evolutionary sense; there, a mollusk exoskeleton evolved into several sorts of internal structure, the "cuttlebone" of cuttlefish being the best-known version. Yet they do have cartilaginous tissue in their body, even if it is not mineralized, especially in the head, where it forms a primitive cranium.
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