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Question

A wildlife veterinarian observes that a certain animal can maintain a large body size and perform complex behaviors. Which structural attribute is most vital for these traits?

This question was previously asked in
RRB Group D 2025 Question Paper (18-Aug-2026) (Shift 1)
The correct answer is

Vertebral column for support

A vertebral column (backbone) gives internal structural support that allows an animal to attain a large body size and perform complex, coordinated behaviour, a key feature distinguishing vertebrates. Hence, the correct answer is Vertebral column for support.

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