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Can you identify the internal and external anatomy of a crayfish.docx

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Biology:AnatomyPage 1of42021-07-15Crayfish DissectionCan you identify the internal and external anatomy of acrayfish?Name: Ryan KimDate: April 7, 2022If numbers alone are used as a measure of success, the jointed-legged animals are themost successful animals. Their body segmentation suggests that they evolved fromsegmented worms. The segments, however, are more specialized, and many segmentshave an appendage. The crayfish is a large aquatic arthropod, which means it carries itsskeleton on the outside. Because of its size, and representative anatomy of the jointed-legged animals, it is a useful dissection specimen.InstructionsWatch the crayfish dissection lab (in your lessons orclick here) then complete thecorresponding questions found here.Project Goals:oTo become more familiar with arthropod anatomy
CrayfishLab Analysis:Please answer in point form.1.Crayfish is a crustacean which is a hard-shelled arthropod that is easily recognized by its two largeclaws.(1 mark)2.The body of the crayfish is divided into two regions. The cephalothorax and the abdomen.(1 mark)3.The abdomen is divided into six segments that end in three fins.(1 mark)4.

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Term
Spring
Professor
ja m
Tags
Anatomy, Crustacean, Lobster

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