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Monday, March 26, 2012
Which organisms have a somewhat rigid internal skeleton and many muscles? a. Octopuses b. Earthworms c. sea anemones d. Insects e. Vertebrates
Which organisms have a somewhat rigid internal skeleton and many muscles?
a. Octopuses
b. Earthworms
c. sea anemones
d. Insects
e. Vertebrates
Answer :-
e. Vertebrates
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