Most cnidarians have tentacles with stinging cells surrounding their mouth. The mouth is the only body opening. All cnidarianshave radial symmetry.
cnidarians move from place to place. sponges dont.
An invertebrate doesnt have a backbone. A vertebrate has a backbone.
Panda has a backbone which makes it a vertebrate!
A fly is considered an invertebrate because it does not have a backbone.
if it does not have a back bone
It makes it easier to identify the different groups visually.
A snail is an invertebrate because it lacks a backbone. The shell wouldn't count, as its not inside the snail.
They have no backbones. See related questions below for more detail.
No, all whales have spines which makes them vertebrate.
It is the type with a backbone...wait, that makes it a VERTEBRATE!
arthopods
Having a backbone makes them vertebrates.