Longest as in sheer length, or longest as in number of vertebrae?
Many snakes have over 200 individual vertebrae.
That would probably go to Blue Whales. They are between 80 and 100 feet long but have far fewer vertebrae.
invertibrates. animals WITH backbones are vertibrates.
No cicadas do not have backbones, they are invertebrates. Any Animal and insects that is an invertebrates do not have backbones.
an invertebrate.
They are called vertebrates.
a jellyfish and a octopus have no backbones
An organism that has a backbone is classisifed as a "vertebrate".
All animals with a backbones are vertebrates.
A 'vertebrate ' is an animal with a spine or backbones.
the types of animals are animals with backbones called vertebrates and without backbones called invertebrates.
All amphibians have backbones. An animal with a backbone is called a vertebrate. All amphibians are vertebrates.
Animals with backbones are called vertebrates.
By deffinition an animal is a conglomerate of cells. The answer is none.