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. :)
true
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.
The theory of evolution by means of natural selection.
theory of natural selection
A theory