'Siliceous spicules' diaporamas de présentation

Sponge Systematics Important for studying evolution and in the search for bioactive compounds.

Sponge Systematics Important for studying evolution and in the search for bioactive compounds. Morphology ; Limited to type and structure of skeleton & spicules. Some focus on cytology, biochemistry & reproduction. Molecules; DNA (different genes for different relationships. Sponge Taxonomy.

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Filo Porifera

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Phylum Porifera

Phylum Porifera. General Characteristics. Most are marine; a few live in fresh water one family Spongillidae Metazoan, with loosely aggregated cells, therefore no organs or true tissues. Asymmetrical or radial symmetry

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Filo Porifera

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Filo Porifera

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Phylum Porifera

Phylum Porifera. Kingdom: Animalia Subkingdom: Parazoa Cellular level of organization. Phylum: Porifera a. Body is perforated with 2 types of pores: 1. Ostia(inhalant or incurrent siphon):numerous ,small for entering water

740 views • 16 slides