Milestones of Human evolution
Milestones of Human evolution
Theory of evolution states that we humans, like all
other living species of the world have evolved from our ancestors. It is stated
that a genetic mutation occurred in few members of an old species of chimpanzee
and they were evolved into a newer species. This phenomenon continued for
millions of years and we as humans were evolved finally. No doubt this
phenomenon still continues and there are a lot of developments to happen. Well
this post will only emphasize on the major milestones which occurred in our
history of evolution.
Toumai (Sahelanthropus)
Believed to have existed 7 million years ago, this
species is considered to have first evolved from chimpanzees. In this context
they are the first known step in our evolution. For detailed information you
may jump to Sahelanthropus
which contains the detailed text about the species.
Orrorin (Orrorin tugenesis)
It is considered as the second big step in our
evolution and is believed to have inhibited the earth 5 to 6 million years ago.
Orrorin
will direct you the Wikipedia page showing the detailed information about the
species if you are interested.
Lucy (Australopithecus aferensis)
About 40% of the whole skeleton of a female of this
species was found in 1974 and is believed to be 3 to 4 million years old. To
jump to the detailed Wikipedia page click Lucy.
Homo habilis
This species occurred 1.8 to 2.5 million years ago. See
Homo
habilis for detailed information on this species.
Neanderthal man
Neanderthal is considered to be nearest species of
present human beings which evolved into various forms and ultimately, present
human form was achieved. This major milestone occurred about 250000 years ago.
You may click on Neanderthal
for elaborate text.
Human Beings
Today what we are is called ‘Human beings’, who are
still evolving and will continue to do so in future.
There are many questions, doubting the theory, like
where are the missing traits, and why didn’t the chimpanzees present today
evolved into something. Actually, evolution is a hit and trial experiment
conducted by nature and times itself and all the species present today are only
the result of those experiments, few have changed drastically from their
original form and few are still the similar.
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