Match the following and write correct choice in space provided
a. _____, b. ______, c. _____, d. ___, e. _____, f. ____,
a. Pila – Presence of shell
b. Cockroach – Jointed appendages
c. Asterias – Water vascular system
d. Torpedo – Electric organ
e. Parrot – Perching
f. Dog fish – Placoid scales
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