since rats are mammals, they are most definitely vertebrates.
They are Vertebrates, most of them have a spine which puts them in the vertebrate category!
Most likely they are living things.
they dont have a backbone
Vertebrates have an internal skeleton and invertebrates have external skeletons. Vertebrates are able to grow larger than invertebrates because of this. Invertebrates would crush themselves under their own skeletons if they grew to a large size.
most invertebrates are arthropods, and 70% of animals in the world are arthropods (insects), so I'm guessing there are more invertebrates than vertebrates.
Dugongs are vertebrates. Most invertebrates are usually small.
Vertebrates have vertebra.Invertebrates don't.
salt
Glutamate
Since they are vertebrates, they are most closely related to fish.
The most common neurotransmitter in the human body is glutamate. It is an excitatory neurotransmitter that plays a key role in learning and memory.