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  • Can someone help me with this, An important characteristic that Hemichordates share with Chordates is:

An important characteristic that Hemichordates share with Chordates is:

  • Option 1)

    Absence of notochord

  • Option 2)

    Ventral tubular nerve cord

  • Option 3)

    Pharynx with gill slits

  • Option 4)

    Pharynx without gill slits

 

Answers (1)

best_answer

 

Sub - phylum Cephalochordata -

The notochord is present throughout the life and extents from head to tail. More number of pharyngeal gill slits and better developed.

- wherein

Eg. Branchiostoma, Amphioxus.

 

 Pharyngeal gill slits are present in hemichordates as well as in chordates. Notochord is present in chordates only. Ventral tubular nerve cord is characteristic feature of non-chordates.


Option 1)

Absence of notochord

This solution is incorrect 

Option 2)

Ventral tubular nerve cord

This solution is incorrect 

Option 3)

Pharynx with gill slits

This solution is correct 

Option 4)

Pharynx without gill slits

This solution is incorrect 

Posted by

Aadil

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