Select one :
a . planarian — Nematoda
b . fluke — Platyhelminthes
c . coral — Porifera
d . roundworm — Cnidaria
e . sponge — Arthropoda
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Question 7
Which of these is a bivalve ?
Select one :
a . slug
b . octopus
c . earthworm
d . snail
e . oyster
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Question 8