Question

Which group of animal has open circulation ?
(A) Arthropoda
(B) Annelides
(C) Vertebrates
(D) Echinodermaties

Answer 1

c-vertebrates have open circulation !!
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Answer 2

Answer:

The correct answer of this question is option A.

Explanation:

There are different types of biological systems in the different animal bodies which perform different necessary biological activities.

Similarly,the circulatory system is one of the most important biological systems of any animal body.

And there are different types of circulatory systems according to the circulation methods.

Among these different types of circulatory systems,the open circulatory system is very commonly observed in the arthropods.