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Reading Check Sponges
Reading Questions, p What is the name of the phylum for sponges? What type of symmetry is displayed by sponges? Name one body plan of the sponges.
Today’s Objectives The student will list the characteristics, classification, economic importance, reproductive strategies and organizaiton of members of Phylum Porifera.
Characteristics of PoriferansAssymmetrical or radially symmetrical Nonmotile No tissues or organs Filter feeders Three types of cells
Classification – Phylum PoriferaBased on type of spicules Class Calcarea – CaCO3 Class Hexactinellida – SiO4 Class Demospongiae – spongin or SiO4 or both
Cell types of sponges Pinacocytes Porocytes Mesohyl (amoeboid cells)Choanocytes Spicules of calcium carbonate or silica Spongin skeleton
Body Types of Sponges Ascon Sycon Leucon
Reproduction Monoecious Do not self-fertilizeAmoeboid cells or choanocytes undergo meiosis to form sperm or egg cells Sexual reproduction – forms larvae Asexual reproduction – forms gemmules
Economic Importance Commercial production of spongesArtificial vs. Natural
Invertebrates- Phylum Porifera
Sponges Phylum Porifera.
2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Vocab ProtistaPoriferaCnidariaRandom.
Sponges. Classification: Domain Eukarya Kingdom Animalia Phylum Porifiera – due to its pores * More than 7,000 named species *The rest of a sponge’s classification.
Invertebrate Zoology Lecture 5: Phylum Porifera. Lecture outline Phylum Porifera Overview Body structure and the aquiferous “system” Nutrition,
12-1 CHAPTER 12 Phylum Porifera -Sponges- -Sponges-
Collar cell Ostium Osculum Spicule ? Ostium What happens at the osculum? Water exits.
KINGDOM? Purple Tube Sponge ANIMALIA. PHYLUM? PORIFERA “Porifera” means? “Pore- bearer”
Sponges & Cnidarian Chapter 35.
Phylum Porifera. SYMMETRY Asymmetrical: without symmetryAsymmetrical: without symmetry Radially symmetrical: circle base/cut like a pieRadially symmetrical:
Phylum Porifera: Sponges
Invertebrate Notes. Sponges- Porifera “Pore Bearer” Show examples Evolutionary sideline - alone. Simple multicellular animals lacking true tissues.
Chapter 9 Multicellular and Tissue Levels of Organization
meaning "pore bearer" G ROUP 36: J ESSICA P ENNEY, T ONIKA L EVY, A ND K RISTEN Y OUNG.
By Albert Chen and Anne Ning
Invertebrate Phylum: (Sponges) PORIFERA.
Sponges, Phylum Porifera
What’s the common name of this organism?
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