Obtain a preserved crayfish and place it in a dissecting pan You will draw the exterior and interior of the crayfish in the

Question

Obtain a preserved crayfish and place it in a dissecting pan You will draw the exterior and interior of the crayfish in the boxes following the dissection instructions Make sure to label the bolded structures on your drawings as you go though the dissection Identify the chitinous exoskeleton Arthropods are distinguished by metameres repeating body segments that fuse to form different body regions tagmata tagma sigular There are two tagmata in the crayfish The first is the cephalothorax fusion of the head and the thorax which is covered by a carapace The second is the abdomen which consists of several metameres that go all the way down to the tail Q Is each region specialized for its function Q Which body region of the crayfish is most obviously segmented

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