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Write Down Four Main Characters of Chordates. - Science

Short Note

Write down four main characters of chordates.

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Solution

Main characteristics of chordates:
(i) They have a dorsal, hollow, tubular nerve cord.
(ii) Notochord is present that is ventral to the nerve cord.
(iii) They possess paired gill-slits in the pharynx.
(iv) They have a ventral heart with dorsal and ventral blood vessels and closed blood vascular system.
Examples: Salpa and Herdmania.

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APPEARS IN

P S Verma and V K Agarwal Class 9 Biology - Science Part 3
Chapter 4 Diversity in Living Organisms
Short Questions Answer ( Carrying 2 Marks) | Q 46 | Page 260
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