A
BRIEF HISTORY OF THE THEORY OF EVOLUTION
My sincere thanks are due to a Muslim Brother
for the following
profoundly persuasive scientific data on the subject
of
EVOLUTION AND DARWINISM
The theory of evolution
came into view by the re-awakening of
ancient materialistic philosophies and became widespread in the
19th
century. This philosophy supposes that matter is absolute and infinite.
This
materialistic philosophy does not hold anything to be real except
the
matter, so it tries to explain the universe and nature through purely
material factors. Since it denies creation right from the start,
it puts
forward that every being, whether animate or inanimate, appeared
without any
means of creation, but by mere coincidence and then acquired an
order.
However, the human mind is organised to comprehend the existence
of an
organising will wherever it sees an order. Materialistic philosophy,
which
is contrary to this very basic characteristic of the human mind,
produced
"the theory of evolution" in the middle of the 19th century.
The Theory of Evolution: Darwin's
Imagination
The person who put forward the theory of evolution the way it is
defended
today, was an amateur English naturalist, Charles Robert Darwin.
Darwin had never taken a formal biology education. He only took an
amateur
interest in the subject of nature and living things. His interest
drove him
to volunteer for boarding on the official discovery ship named H.M.S.
Beagle
that set out from England in 1832 and travelled around different
regions of
the world for five years. Young Darwin was greatly impressed by
various
living species, and particularly by various finches he saw in the
Galapagos
Islands. He thought that the variance in their beaks was caused
by their
adaptation to their habitat. With this idea in mind, he supposed
that the
origin of life and species lay in the concept of "adaptation to
the
environment". According to Darwin, living species were not created
individually by a Supreme Being, but came from a common ancestor
and differentiated from each other as a result of natural conditions.
Although Darwin's hypothesis was not based on any scientific discovery
or
experiment, in time, he turned it into a pretentious theory with
the support
and encouragement he received from the famous materialist biologists
of his
time. The idea was that the individuals who adapted to the habitat
in the
best way transferred their qualities to the next generations, and
therefore,
these advantageous qualities accumulating in time changed the individual
to
a species totally different from its ancestors. (The origin of these
"advantageous qualities" was unknown). According to Darwin, man
was the most developed outcome of this blind mechanism.
Darwin named this process "evolution by natural selection". He thought
he
had found the "origin of species"; the origin of one species was
another
species. He published these views in his book titled The Origin
of Species:
By Means of Natural Selection in 1859.
While developing his theory, Darwin was impressed by many evolutionist
biologists preceding him, and primarily by Lamarck. According to
Lamarck,
living creatures were passing the traits they acquired during their
lifetime
from one generation to another, and were thus evolving. For instance,
giraffes evolved from antelope-like animals by extending their necks
further
and further from generation to generation as they tried to reach
higher and
higher branches for food.
But both Darwin and Lamarck were mistaken, because biochemistry did
not
exist at that time and genetics was unknown. Therefore, their theories
depended totally on their powers of imagination.
While the echoes of Darwin's book lingered on, an Austrian botanist,
Gregor
Mendel discovered the laws of inheritance in 1865. These laws refuted
the
idea of passing the acquired traits onto subsequent generations.
Not much
heard of until the end of the century, Mendel's discovery gained
great
importance at the beginning of the 1900's. This was the genesis
of the
science of genetics. Again in the same years, the structure of the
genes and
the chromosomes was discovered. And in the 1950's, the discovery
of the DNA molecule that includes the genetic information put the theory
in a great
crisis. The reason was the incredible complexity of the DNA, whose
origin
could never be explained by any random process.
All these developments should actually have caused Darwin's theory
to be
banished to the dusty shelves of history. However certain circles
insisted
on revising, renewing, and raising the theory up to a scientific
platform.
All these efforts were very meaningful in indicating that behind
the theory
laid some ideological intentions rather than scientific concerns.
INDEX
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