Animal Kingdom Question 64
64. What is true about Nereis, scorpion, cockroach and silver fish?
(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
Show Answer
Answer : a
Hints & Solutions
(a) Nereis (belonging to class polychaeta of phylum Annelida), scorpion and cockroach (belonging to phylum arthropoda) and silver fish all have dorsal heart.
