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Which one of the following has a bilateral symmetry in its...

This question belongs to General Knowledge Biology
Biology
?

Which one of the following has a bilateral symmetry in its body organization?

Answer & Solution
Correct Answer: Option A
Asterias has bilateral symmetry only at larval stagebut fivefold symmetry (pentamerism, a special type of radial symmetry) as adults.
Nereis do not possess any symmetry elements in their body organisation.
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1 Comment
Abrar Ahmed
Abrar Ahmed 6 years ago
Asterias have pentaradial symmetry.
Neries have bilateral symmetry.
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