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Jointed appendages

structures such as a legs, wings, or antennae that extend from the body wall of an insect and enable them to move and grasp objects

Open VS closed circulatory systems



long, thin feelers on the head of an insect that are used for smelling and touching

Head, thorax, abdomen (insects)


Cephalothorax, abdomen (arachnids. crustaceans)


Compound eye

eye made of thousands of individual visual units


one of the first pair of legs of a decapod

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