The evolution of modern species is studied through the fossils found in various parts of the world.
The <em>Homo erectus </em>is the first hominin species which possessed human-like characteristics like bipedalism and they appeared about 2 mya. The first evidence of <em>Homo sapiens</em> fossil belonged to about 1,60000 years ago.
In between them, scientists found some fossils which possess characteristics of both Homo erectus and Homo sapiens, therefore, these fossils were called archaic Homo sapiens. These fossils dated about 300000 years ago.
Answer:If we were to remove just one level of organization all the other levels would fall apart. It would then become very difficult to make any decisions without all the levels put together as one.
are found along the zigzag line on the periodic table. The only exception is Aluminum. It is considered to be a metal even though it lies along the zigzag.
