Class 11 · Animal Kingdom

Notochord: Defining Feature of Chordata — NEET Biology

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Animals belonging to phylum Chordata are fundamentally characterised by the presence of a notochord, a dorsal

🖼️Related NCERT figure: Diagram of Balanoglossus showing worm-like marine animal with labeled parts: proboscis at the top, collar in the middle region, and trunk forming the longest lower portion (Figure 4.15 Balanoglossus)
NCERT Biology · Class 11 · Chapter 4 · Paragraph 37
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Which of the following is a fundamental characteristic of all chordates?

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