A) Limulus
B) Cancer
C) Lucifer
D) Daphnia
Correct Answer: B
Solution :
Limulus or king crab is a large sized marine arthropod which represents a specialized group of chelicerate animals. It has remained almost unchanged since the last 200 million years. It is therefore, also called living fossil. Book gills serve the function of respiratory organs in Limulus.You need to login to perform this action.
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