Question

Q) Difference between Chordates and non - Chordates ?

(write in points)
(don't know then don't answer)​

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

CHORDATES :-

• Notochord present .

• Central nervous system is dorsal , hollow and single.

• Heart is ventral.

• A post - anal tail is present .

• Pharynx perforated by gill slits .

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NON - CHORDATES :-

• Notochord absent .

• Central nervous system is ventral, solid and double.

• Heart is dorsal (if present) .

• Post - anal tail is absent .

• Gill slits are absent .