alleryHydra and Planaria can grow back from cut pieces by:
ARespiration
BReplication
CRecombination
DRegeneration
Answer & Solution
Correct answer: D. Regeneration
1. Some fully differentiated organisms can rebuild a whole body from a part.
2. Hydra and Planaria can be cut into many pieces and each piece grows into a new organism.
3. This ability is called regeneration.
_Source: syllabus Science, Ch 8 'How do Organisms Reproduce?'_
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