Question

list any two main characteristics of chordates

Answer 1

I will give u 4

1. Development of mesodermal skeletal rod, called notochord.
2. Development of paired gill slits in pharynx.
3 .Presence of an unpaired dorsal, hollow, nerve cord.
4 . Presence of post anal tail.

Answer 2

they posses dorsal nerve chord.
they are triploblastic.