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Open circulatory system is present in un...

Open circulatory system is present in `underline(("i"))` and `underline(("ii"))`. Fill the correct option for (i) and (ii)

A

`"(i)-platyhelminthes (ii)-molluscs"`

B

`"(i)-arthropods (ii)-echinoderms"`

C

`"(i)-annelids (ii)-arthropods"`

D

`"(i)-arthropods (ii)-molluscs"`

Text Solution

Verified by Experts

The correct Answer is:
D
Open circulatory system is present in arthropods and mollusus in which blood pumped by the heart passes through large vessels into open spaces or body cavities called sinuses.
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