Question

Define the main characteristics of Vertebrates.

Answer 1

they have backbone and without backbone they cant stand properly and stay at a same place and cant be in motion with theirself.

Answer 2

Hiii...

The main characteristics of vertebrates are

1) Well developed brain.

2) Brain lodged in to box or cranium.

3) Notochord, forms on the dorsal side of the primitive gut in the early embryo and is present at some developmental stage in all chordates.

4) Most possesses a through gut with a non-terminal anus.

5) Pharyngeal slitsconnect the pharynx, a muscular tube that links the mouth cavity and the esophagus, with the outside.

6) Possess at some stage of their life a hollow dorsal nerve tube.

7) Possess at some stage of their life a dorsal cartilaginous rod called a notochord.

8) Possess at some stage of their life gill slits in the pharyngeal region.

9) Has a partially open circulatory system.

10) They become slits, open to the outside in animals with gills, but disappear in those lacking gills.