Segmentation refers to the repeated divisions of a animal's body, each specializing in their own individual function. Not only does segmentation allow easier mobility, the divisions also facilitate performing complex activities. This type of body structure is common in vertebrates, annelids, and arthropods, like ants. The ant depicted above has a segmented body that has three main parts: a head, a thorax, and an abdomen. The head has antennae that help the ant navigate. The thorax are where the head, abdomen, and legs attach to. The abdomen is the location of the ant's digestive and reproductive organs.
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