Question

What is the difference between invertebrates and vertebrates?

Answer 1

Vertebrates:

The organisms possessing a backbone and an internal skeleton are known as vertebrates.

Invertebrates:

These are the species or animals, which neither develop or possess a vertebral column known as spine or backbone, obtained from the notochord.

Vertebrates	Invertebrates
1. They possess an endoskeleton.	1. They possess an exoskeleton.
2. Their body size is larger in comparison to invertebrates.	2. Their body size is smaller in comparison to vertebrates.
3. All vertebrates possess a closed circulatory system.	3. The majority of the invertebrates possess an open circulatory system.
4. The organisms are generally heterotrophic.	4. It comprises parasitic, autotrophic, and heterotrophic organisms.
5. Examples: Humans, Birds, Reptiles, etc.	5. Examples: Insects, Molluscs, etc.