'Dorsal heart' diaporamas de présentation

Arthropoda

Arthropoda. Zoology 2011-2012 Wakefield. General Characteristics. Largest and most diverse phylum with approximately 1 million species classified and possible 100 million more to classify

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Phylum Mollusca

Phylum Mollusca. Phylum Mollusca (mollis, soft). Body usually an anterior head, ventral foot and a dorsal visceral mass . Covered by a fleshy outgrowth of the body wall called a mantle . Shell if present is secreted by the mantle

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Invertebrates The final chapter

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GRASSHOPPER ORGAN SYSTEMS

GRASSHOPPER ORGAN SYSTEMS. Types of CIRCULATORY SYSTEMS. OPEN CIRCULATORY SYSTEM HEMOLYMPH (Blood) bathes organs DOES NOT stay in blood vessels Collects in sinuses (body cavity) for return to heart Less efficient INVERTEBRATES.

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