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6 Cards in this Set
- Front
- Back
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Phyla |
Chordata Arthropoda Cnideria Annelida Nematoda Platyhelminthes Mollusca |
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Chordata |
Single, dorsal, hollow nerve chord - with anterior end (brain) Tail at some point of development Pharyngeal pouches at some point of development (Mammals, birds, fish, amphibians, reptiles) |
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Arthropoda |
Exoskeleton Bilaterally symmetrical with strongly segmented bodies Metamorphosis (Insects, Crustaceans) |
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Cnideria |
A gastrovascular cavity has a single exterior opening Nematocysts Two basic body forms - Medusa (jellyfish) - Polyp(coral) |
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Echinodermata |
Spiny hard skin radially symmetrical Most are marine have tube feet through which water passes to assist movement |
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Worms |
Platyhelminthes - Flatworms unsegmented, bilaterally symmetrical - lack respiratory or circulatory system
Nematoda - Long rounded body with bilateral symmetry - Segmented |
