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Dive into the world of multicellular organisms. Learn about the benefits, characteristics, and reproduction methods of Porifera and Cnidarians, and understand the marine biome. Plus, expand your vocabulary with key terms like Hydrozoa and Flukes.
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Objectives: You will be able to… • Describe the benefit of being multicellular • List and describe the 3 main groups of animals. • Describe the general characteristics of Phyla Porifera. • Describe how Phyla Porifera obtain nutrients. • Describe the reproduction of porifera. • Identify the type of symmetry displayed by porifera. • Identify the type of symmetry displayed by all Cnidarians. • Describe the general characteristics of Cnidarians. • Explain how some cnidarians have an “alternation of generation” • Explain the two forms of Cnidarians. • List and describe the 3 main classes of Cnidarians, giving information about examples, reproduction, and general characteristics. • Describe the general characteristics of the marine biome, the habitat for most of the Cnidarians and Porifera.
Chapter 2 Vocabulary • Porifera Hydrozoa Flukes • PolychaetaSessile Scyphozoa • Tapeworms Oilgochaeta Spicules • Anthozoa Pseudocoel Hirundinea • Flagella Parasitism Nematoda • Cnidaria Cephalization Biome • Nematocyst Setae Annelida • Polyp Eyespots Septa • Medusa Platyhelminthes Cilia