In The Face Of A Tarantula. Like All Arthropods, The Tarantula Is An Invertebrate That Relies On An Exoskeleton For Muscular Support.[5] Like Other Arachnida, A Tarantula`s Body Comprises Two Main Parts, The Prosoma Or Cephalothorax And The Opisthosoma Or Abdomen. The Prosoma And Opisthosoma Are Connected By The Pedicel, Or Pregenital Somite. This Waist-Like Connecting Piece Is Actually Part Of The Prosoma And Gives The Opisthosoma A Wide Range Of Motion Relative To The Prosoma.

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