Question

difference between vertebrates and invertebrates class 9th

Answer 1

Vertebrates have a backbone or spinal column, have an internal skeleton made of bone, an advanced nervous system with a developed brain and have outer covering of protective cellular skin.
Invertebrates have no backbone, no cell walls. They are heterotrophic.
Because of developed brains, vertebrates have better and faster understanding than invertebrates. 

Answer 2

Answer:

Vertebrates have a backbone or spinal column, have an internal skeleton made of bone, an advanced nervous system with a developed brain and have outer covering of protective cellular skin.

Invertebrates have no backbone, no cell walls. They are heterotrophic.

Because of developed brains, vertebrates have better and faster understanding than invertebrates.  

Explanation: