We see beautiful adaptations everywhere
And in every part of the organic world
I have called this principle, by which each slight variation, if useful, is preserved
Struggle for existence
Nothing is easier than to admit in words the truth of the universal struggle for life, or more difficult than constantly to bear this conclusion in mind
As more individuals are produced than can possibly survive, there must in every case be a struggle for existence
Struggle for existence
We see beautiful adaptations everywhere
And in every part of the organic world
I have called this principle, by which each slight variation, if useful, is preserved
Struggle for existence
And in every part of the organic world
I have called this principle, by which each slight variation, if useful, is preserved
Struggle for existence
Nothing is easier than to admit in words the truth of the universal struggle for life, or more difficult than constantly to bear this conclusion in mind
As more individuals are produced than can possibly survive, there must in every case be a struggle for existence
Struggle for existence
We see beautiful adaptations everywhere
And in every part of the organic world
I have called this principle, by which each slight variation, if useful, is preserved
Struggle for existence