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An Intiative by Sri Chaitanya
a
The diagram is of cnidoblast used for anchorage, defense and for the capture of prey.
b
Cnidarians project the cnidocyst to capture their prey by building a high internal osmotic pressure.
c
Cnidoblasts are present on the ectoderm of tentacles and body of cnidarians .
d
Once discharged by muscle contractions, can be reused again.
answer is D.
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