A) Nematocysts of Hydra
B) Tentacles of Hydra
C) Zooids of Obelia
D) Tentacles of Obelia
Correct Answer: A
Solution :
Hydra has four types of nematocysts. They are penetrants (largest). Volents (smallest) steroline glutinant (small atriechous) and streptoline glutinants (large holotrichous)You need to login to perform this action.
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