Question

Give a comperate account of chordate. Discuss certain of character of chordates which are benifical from evolutionary point of view​

Answer 1

Answer:

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Explanation:

Chordates have a closed circulatory system. Usually open circulation of blood takes place in non-chordates. Dorsal, hollow and single nerve cord is present in chordates. The nerve cord is without ganglia.In chordates, four common features appear at some point during development: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail.