A) Symbionts in nutritive cells
B) Symbionts in the gut
C) Symbionts in cnidoblasts
D) Organisms that provide hypnotoxin
Correct Answer: A
Solution :
A unicellular green alga of the genus zoochlorellae and zooxanthallae habitually lives in nutritive-muscular cells of Hydra.You need to login to perform this action.
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