'Class hexactinellida' presentation slideshows

Chapter 29 Simple Invertebrates

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Hard Parts: 100

What is a septum? (What are septa?). Hard Parts: 100. What is heterodont dentition?. Hard Parts: 200. What is the apex?. Hard Parts: 300. What is a mamelon?. Hard Parts: 400. What is a pedicle foramen?. Hard Parts: 500. Name that Invert: 100. Phylum Mollusca Class Gastropoda

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Phylum Porifera

Phylum Porifera. The Sponges. Phylum Porifera Overview. Most primitive of the multicellular animals There is some debate if sponges are complex colonial protozans and not metazoans. Sponges Over 7,000 species, approximately 40 species that occur in local waters

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Porifera

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Introduction to Sponges

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PORIFERA

PORIFERA. Khuaten Maaneb de Macedo and Navdeep Singh. Common Name: Sponges. Exclusively Aquatic Approximately 15,000 Species . Three Distinct Groups Glass Sponges (Class Hexactinellida) C alcareous Sponges (Class Calcarea) D emosponges (Class Demospongiae). Examples of Porifera.

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