there are more organisms in the environment than can possibly survive. This sets up a struggle to survive. The organism that are beat-suited to the environment will survive and reproduce. :)
that is something that has been up to debate for a Very long time, the answer is unknown at the moment.
The all-natural theory.
which is not part of darwins theory of natural selction
the indian constitution
natural theory- man's urge towards being a part of a community.
You mean the evolution theory? Darwin
Darwin's theory of evolution.
Evolution by natural selection.
theory of natural selection
The theory of evolution by means of natural selection.
Natural selection
Random processes are not part of the theory of evolution by natural selection.