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Kingdom Animalia (Porifera (sponges) (Lack nervous system, Some have…
Kingdom Animalia
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Mollusca
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Tripoblastic, bilaterally symmetrical
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Have radula, grasping tongue-like organ
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Snails, slugs, oysters, squids, octopuses
Nematoda (roundworm)
Unsegmented, narrow bodies
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Lack protonephridia, excretory consist one more large gland cells opening by excretory pore
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Most free-living, others parasites
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Arthropoda
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Segmented body, hard exoskeleton, jointed appendages
Spider, scorpions, millipedes, insects, lobsters
Echinodermata
Water vascular system invovles in movement, feeding and gas exchange
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Sea stars, sea cucumber, sea urchin
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Cnidaria
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Dipoblastic, radially symmetrical
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No circulatory, excretory or respiratory system
Hydra, Aurelia, Corals, Sea anemones
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