Question

Write any two characteristic of the animals belonging to phylum chordata

Answer 1

(#) Post-anal tail – This is an extension of the body beyond the anus. In some chordates, the tail has skeletal muscles, which help in locomotion.

(#) Pharyngeal slits–They are the openings which connect the mouth and the throat. These openings allow the entry of water through the mouth, without entering the digestive system.

Answer 2

1.BODY IS SUPPORTED BY NOTOCHORD

2.PHARYNGEAL GILL-SLITS OR LUNGS ARE PRESENT FOR RESPIRATION

3.HEART IS PRESENT ON THE VENTRAL SIDE OF THE BODY