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Flashcards on animal phyla and their systems
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Porifera
Phylum with no circulatory system, respiration via diffusion, and intracellular digestion.
Cnidaria
Phylum with no circulatory system, respiration via diffusion through body wall, and an incomplete digestive system.
Platyhelminthes
Phylum with no circulatory system, respiration via diffusion through body surface, and an incomplete or absent digestive system.
Nematoda
Phylum with no circulatory system, respiration via diffusion, and a complete digestive system.
Annelida
Phylum with a closed circulatory system, respiration via diffusion through skin or gills, and a complete digestive system.
Mollusca
Phylum with an open circulatory system, respiration via gills or lungs, and a complete digestive system.
Arthropoda
Phylum with an open circulatory system, respiration via tracheae, gills, or book lungs, and a complete digestive system.
Echinodermata
Phylum with a water vascular system, respiration via diffusion and tube feet/gills, and a complete digestive system.
Chordata
Phylum with a closed circulatory system, respiration via gills or lungs, and a complete digestive system.