A scientist finds a fossil that she thinks might make a good index fossil. Which characteristic does this fossil most likely hav
e? It is the remains of an organism still found alive today. It is the remains of an organism that is found in abundance nearby. It is the only fossil for this type of organism that has ever been found. It is the remains of an organism that lived in a narrow geographic area.
Yes, it is true that historians believe that the time from prehistory to the development of agriculture spans more than two million years, since it is thought that humans first appeared on Earth roughly six millions years ago.