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Open circulatory system is present in:A)Arthropods,B)Annelids,C) Chordates, D)Molluscs
Options
(a) Chordates only
(b) Chordates and Annelids
(c) Molluscs only
(d) Arthropods and Molluscs
Correct Answer:
Arthropods and Molluscs
Explanation:
Open circulatory system occurs in invertebrate animals such as arthropods (e.g insects, spiders, crabs and lobsters) and some molluscs (e.g. snails, oysters and clams).
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Topics: Human Body Fluids and Excretory Products
(197)
Subject: Biology
(4253)
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