WebbGeneral Characteristics. Phylum Porifera includes sponges. Sponges are simple multicellular animals that lack true tissues and organs, and are asymmetrical. Larval … WebbUsing the compound microscope, observe the prepared slide of a cross-section of theearthworm. a. Locate the thin cuticle lying outside of and secreted by the epidermis. Recall the habitat of this organism and speculate about the function of the cuticle. (2 points)) Type your answer here. 5 The cuticle helps to keep the worm from withering out .

Lab Two Practice Quiz Protista Sponges PDF

WebbScypha cross-sectionAsymmetrical(lack true tissue) = Parazoan Phylum Porifera Spiculessupport structurescomposed of calcium carbonate or silica dioxide Phylum Cnidaria Subkingdom EumetazoaDiploblastic-radial symmetry-Cnidocytes(contain nematocysts)-medusa or polp form Phylum Cnidaria, Class Hydrozoa … WebbSphenophorina Breitfuss, 1898. Sycinula Schmidt, 1868. Sycophyllum Haeckel, 1870. Vosmaeria Lendenfeld, 1885, not Fristedt, 1885. Grantia is a genus of calcareous sponges belonging to the family Grantiidae. Species of the genus Grantia contain spicules and spongin fibers. [3] The genus contains bioluminescent species. isla guadalupe great whites

Microscope Slide: Scypha (Grantia) - Cross Section and …

WebbThe central space at the bottom is called the atrium (or spongocoel), epitheloid cells (pinacocytes) line the outside, dark-purple flagellated choanocytes line the canals that face into the atrium, and the layer between those cells is the mesohyl, which contains many different cell types. Seen at approximately 200x magnification. WebbA cross section through Scypha (Grantia?), a syconoid sponge (phylum Porifera, class Calcarea; possibly also called Sycon). The central space at the bottom is called the … WebbScypha – Cross Section Syconoid Body Plan Sponges and cnidarians worksheet answers Porifera Reading Handout Sponges and cnidarians worksheet answers Chapter 26: Sponges, Cnidarians, Flatworms, and Roundworms 26-2 Sponges - Hamilton Local Schools Ch. 26 Vocabulary Review - Groch Biology Web Pages Round Two - GeogOnline Slide 1 keyh tioco