fish with no jaw........novanet
The oldest known fossils are prokaryotic.
probably cause current vertebrates have a backbone and ancient vertebrates ahd them to
Stromatolites.
Animals that have spines (backbones) are called vertebrates.
Vertebrates have backbones, other animals (besides vertebrates) don't have back bones.
Dinosaurs were a group of large vertebrates that were alive over 200 million years ago. Fossils of these animals have been found all over the world.
They are called vertebrates
Vertebrates.
Vertebrates are animals that have a backbone. A vertebrate has a 'vertebra' - a backbone
well vertebrates are animals that have a backbone and invertebrates are animals that don't have a backbone
vertebrates are fish, and invertebrates are slugs
The oldest humanoid fossils were all found in Africa.