Thursday, May 19, 2011

Blog 14 Compare two of the organisms that we have dissected Discuss at least 2 similarities and 3 differences

                             Both the crayfish and the grasshopper have similar outer hard shell and antennas attached to their heads. However there are many other differences between them. Their differences would be that Crayfish are classified as decapod crustaceans. This is the same familygroup of invertebrate crustaceans that includes prawns, lobsters, crabs and shrimp. Crayfish are also readily identifiable by the large set of pincers that stretch out in front to help them find and eat food. On the other hand, Grasshoppers have a body divided into three parts: head; thorax; and abdomen. Three pairs of legs grow from the thorax. Grasshoppers possess a sturdier set of front wings that protect the rear wings from accidental damage. Grasshoppers are herbivores that often eat vegetation indiscriminately.

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