Of or involving the cells of an organization or movement: The assessment of opposition to any totalitarian regime ... is notoriously difficult, for any effective movement must be secretive and cellular (Anthony Sampson). 4. Of or relating to a cellular telephone.
In the past, a human generation has been considered to be 20-25 years. Older genealogical documents will use these numbers. However, genealogical studies have revealed that this is too simplistic and can result in large inaccuracies during statistical calculation.
Humans are members of the genus Homo. Modern people are Homo sapiens. However, we are not the only species of humans who have ever lived.There were earlier species of our genus that are now extinct. In the past, it was incorrectly assumed that human evolution was a relatively straightforward sequence of one species evolving into another.all (100-235 cm) and weighed around 70 pounds (32 kg) The evolution of larger bodies occurred later in human evolution. The differences between australopithecines and early humans are most noticeable in the head.