Arthropoda, Mollusca and Echinodermata
Jointed legs · Soft bodies · Spiny skins
State the features of arthropods
Name the four body parts of a mollusc
Describe spiny-skinned sea animals
Classify animals by their external features
Exoskeleton made of chitin
Jointed legs from the thorax
Bilateral, triploblastic, segmented
Found in air, water and on land
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