contestada

he majority of animals are invertebrates. This means that they have this characteristic.

lack a backbone

have a backbone

lack cell walls

have cell walls

Respuesta :

Answer:

Lack a backbone

Explanation:

Invertebrates are animals that no not have a backbone. 'Vertebrae' is the scientific term for a spine. The prefix 'in' implies a lack of something, in this case a backbone.

So, an invertebrate is an animal that does not have a backbone.

Good luck ^^