The octopus is not a member of phylum Chordata, so it is not a chordate.
octopus is invertebrates
No.
The octopus is an invertebrate... It has no skeleton.
Of the three: octopus, coral snake, and snail, there is only one vertebrate which is the coral snake. The reason is that it has a backbone, one of the characteristics of a vertebrate. Neither the snail nor the octopus have an internal skeleton or backbone to qualify as a vertebrate, so they are classified as invertebrates.
Octopus is not a vertebrate animal. It has got no spinal cord.
It iis a vertebrate
No. It's not even a vertebrate.
Vertebrate
The coral snake, as a vertebrate, has bones.
A rat is a vertebrate, meaning it has a backbone and an internal skeleton.An animal which is not classed as a vertebrate is known as an invertebrate, rather than a "non-vertebrate".
non-vascular
A frog is an amphibian, and all amphibians are vertebrates. They have a backbone and an internal skeleton. The correct term for an animal which is not a vertebrate is invertebrate.
cob webs and spiders
Its a mollusc. Birds are birds. Fish are fish. that's its category. You're on the internet. Google it.