'Excrete wastes' diaporamas de présentation

Introduction to Classification

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PROTISTS

PROTISTS. Protists. Protists : Unicellular eukaryotic organisms. Over 115,000 species Eukaryotic cells - contain membrane-bound organelles (particularly mitichondria & chloroplasts)

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Echinoderms and Invertebrate Chordates

Echinoderms and Invertebrate Chordates. Ch 29. Echinodermata. Endoskeleton, radial symmetry, simple nervous system, varied nutrition, water vascular system

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By Hillary Goins Zoology 8 th Period

Echinoderms. By Hillary Goins Zoology 8 th Period. Basic Info on Echinoderms. Approximately 6,000 species Found in all oceans of the world Move by suction cup appendages and have skin covered with tiny, jaw-like pincers; their tube feet allow them to break open the shells of bivalves

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Kidney

Kidney.

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