Silicon Biotechnology Prof. Dan Morse, UCSB Biosilica spicules from sponge Tethya aurantia Protein from central filament: 75% similarity to human Cathepsin L
Spicules form an endoskeleton that functions for. support and protection. spicule ... endoskeleton of spicules (sometimes of soft spongin material) ...
Additivity of hypomorphs is consistent with anything ... Hermaphrodite vulva. spicules. 1 2 Some C. elegans sexual specializations. 1 : the opening ...
Sponge. All body structures come from ectoderm. Adults develop from ... Spicules are found throughout the body of the sponge. ... Water Flow through a Sponge ...
Bone Pathology * * * * * * * * * * * * * * Normal vertebral bone and marrow is demonstrated at low power microscopically. Note the size and number of bone spicules.
... Boring-bore thin channels through calcium carbonate shells such as oysters and coral Coralline/Sclero-calcium carbonate skeleton with spicules and spongin ...
Skeletal System Spicules Form out from Ossification Center Mesenchymal Cells Continually Differentiate Forming Multiple Ossification Sites Mesenchymal Cells ...
General Zoology Unit Two Have silicon based spicules Sometimes referred to as glass sponges All are deep sea forms Euplectella Some members are of the syconoid form ...
That ancestor thought to be a sponge-like protist called a choanoflagellate ... NOTE: Nudibranch predators co-opt sponge defenses (toxins, spicules) Phylum Cnidaria ...
Sponges are soft-bodied and may contain sharp, hard spicules for support & defense ... A few have external fertilization (occurring outside the animal's body) ...
Sponge Form and Function. Dermal ostia (body pores) Flagellated choanocytes trap food ... 95% of living sponge species. Spicules of silica. If absent, skeleton ...
Take up food, digest it and distribute nutrients. Some can form spicules (skeleton) ... collar cells that generate a current and trap food particles (food = plankton) ...
Exceptionally preserved fossils reveal the pattern of early sponge ... and silicisponges (sponges with opaline spicules) occuring during the Ediacaran period. ...
Stefan's Law and Wein's Law. Kirchoff's Laws what produces continuous, emission and ... Solar convection and granulation. The chromosphere and spicules ...
Kingdom Animalia Animal features: 1. Multicellular 2. Heterotrophic 3. Lack cell walls 4. Motile (at least at some stage of life) 5. Typically can reproduce sexually
Phylum Porifera The Sponges * Phylum Porifera * * Phylum Porifera * Sponges Over 7,000 species, approximately 40 species that occur in local waters 2% of all sponges ...
Invertebrate Animals Sponges I -PHYLUM PORIFERA SPONGES Pore-bearing animals Glass Sponges They are deep water sponges that form large billowing growths up ...
Simple Animals: Invertebrates Invertebrate: Does not have a backbone These invertebrates have simple digestive system, nervous systems and their skeletal and muscular ...
... Porifera Overview Most primitive of the multicellular animals There is some debate if sponges are complex colonial protozoans ... Evolution Characteristics ...
Kingdom Animalia Phylum Porifera Sponges Phylum Porifera Pore Bearers Sponges have the lowest level of organization of all animals. They are at the cellular level ...
Phylum Porifera The Sponge Sponges are Simple, multi-cellular animal with pores Asymmetrical, no organs or tissues Central cavity with opening called a osculum ...
Horn corals. Tabulate corals. Modern corals. EARLY PALEOZOIC LIFE. Metazoan Invertebrates ... Rugosa (Rugose or Horn Corals) Ranged from Ordovician to Permian ...
Sponges Introduction Phylum Porifera pore bearer Aquatic and mostly marine Sessile Body can be stony, rubbery, or gelatinous Size range: few millimeters to five ...
flow of water through the sponge is unidirectional, driven by the beating of flagella ... released from the canals & is drawn into the canals of another sponge. ...
Sponges and Placozoans Chapter 12 * Phylum Placozoa Trichoplax adhaerens is the sole species of phylum Placozoa (marine). No symmetry No muscular or nervous organs ...