Question

Write 3 characteristics of phylum chordata?

Answer 1

Phylum chordata : It has notochord......., A flexible rod between the nerve cord and the digestive track. .........Pharngeal grooves or gill slits.. .... they are commonly known as vertebrates.

Answer 2

Phylum Chordata :
1.They have spinal chord
2.They have gill pouches 
3.They breathe through  lungs , skin , and gills.
4.This animals can live in water and land .
5.In this some are Warm - blooded and Cold - blooded animals .
6.These animals are oviparous and viviparous animals. 
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