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Question

Which among the following is a chordate?

A
Snail
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B
Starfish
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C
Shark
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D
Sea urchin
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Solution

The correct option is C Shark
Animals are grouped into chordates and non-chordates on the basis of presence or absence of notochord. The notochord is a rod-like supporting structure present on the dorsal side of all chordates. The notochord is absent in non-chordates. Shark is a chordate as it has notochord. Snail, starfish and sea urchin are examples of non-chordates.

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