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What is true about Nereis, scorpion, cockroach and silver fish?
Options
(a) They all posses dorsal heart
(b) None of them is aquatic
(c) They all belong to the same phylum
(d) They all have jointed paired appendages
Correct Answer:
They all posses dorsal heart
Explanation:
Neries (belonging to class plychaeta of phylum Annelida), scorpion and cockroach (belonging to phylum arthropoda) and silver fish all have dorsal heart.
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Topics: Human Physiology Systems
(35)
Subject: Biology
(4253)
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