answer 1: No, an octopus is not a vertebrate.
answer 2: No, but they have the plastic-like, film-like, transparent i don't know in them
answer 2.1 You are referring to the mantle.
an octopus does not have a back bone
Octupus
yes
octupus is of greek origin.. it actually means that this creature has eight legs
In the red sea
An octupus has slimy skin that protects it from any sharp rocks.
are salamanders or snails closely related to an octupus
because octupus don`t want you near them
no it is not
No!
No, it does not.
CAP I ASKED DO A PYTHON HAVE A BACK BONE