Fossils are the imprints or remains of organisms which were alive millions of years ago. The fossil record provides evidence for evolution . Charles Darwin's theory states that all organisms alive today evolved from more simple life forms. Two fossils named Ardi and Lucy provide evidence for human evolution.
Fossils are the imprints or remains of organisms which were alive millions of years ago. The fossil record provides evidence for evolution . Charles Darwin's theory states that all organisms alive today evolved from more simple life forms. Two fossils named Ardi and Lucy provide evidence for human evolution.
A unicellular organism is formed by a single cell. ... The circulation in unicellular organisms is carried out by the movement of the cytoplasm of the cell called cyclosis.
