'Tiny food particles' diaporamas de présentation

Phylogeny of Extant Phyla

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Sponges Kingdom Animalia Phylum Porifera

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The Digestive System

The Digestive System. Digestive System. ? a group of organs working together to convert food into energy and basic nutrients to feed the entire body .

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Invertebrates

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Porifera (pore bearers or sponges)

Porifera (pore bearers or sponges). By: Poppy and Talia. Characteristics/Symmetry:. Lack true tissues! Have choanocytes (which are unique flagellated cells that ingest bacteria and tiny food particles and help regulate water flow in the digestive system). Asymmetrical (no symmetry).

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