Which one of the following feature is common to leech, cockroach and scorpion? |
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a) |
Nephridia |
b) |
Ventral nerve cord |
c) |
Cephalization |
d) |
Antennae |
Which one of the following feature is common to leech, cockroach and scorpion? |
|||||||
a) |
Nephridia |
b) |
Ventral nerve cord |
c) |
Cephalization |
d) |
Antennae |
(b)
Ventral nerve cord is common to leech (Annelida), cockroach and scorpion (Arthropoda).