What was the first known animal with a spine?

Answer 1

man that have a backbone..

wrong...

it was fish silly

evidence...

look at a 4 week old baby(when inside the uterus)what does it look like

1.human

2.alien

3.primative fish

the awnser

1=nonesence

2=maybe

3=bingo(yes)

and theres you go.dont listene to the morone who wrote the first one!

that theory about what we evolved from hes referring to was disproven 133 years ago - Taerix

Answer 2

The earliest known vertebrate is believed to be the Myllokunmingia, which lived during the lower Cambrian, 524 million years ago.

Answer 3

Zebras,Dinosaurs,Tigers,Elephants etc have bock bones.

Answer 4

pickia (pick-i-ah) - few centimeters long. among the first ocean creatures. They look somewhat like a worm with a slightly larger tail

Answer 5

All animals that are classed as Vertebrates.

Answer 6

almost all animals have a backbone of some kind. The only one i have heard of that doesn't have a backbone is a Jellyfish.

Answer 7

A vertebrate. egs: animals, birds, fish.