| Main Entry: | natural selection |
| Part of Speech: | noun |
| Definition: | evolutionary theory |
Synonyms: |
Darwinian theory, Darwinism, adaptation, artificial selection, biological evolution, evolution, evolutionism, law of the jungle, natural law, phylogeny, social Darwinism, social evolution, survival of the fittest, theory of evolution |
| Main Entry: | rat race |
| Part of Speech: | noun |
| Definition: | competition in life |
Synonyms: |
battle of life, daily grind, hamster cage, survival of the fittest, treadmill, vicious circle |
| Main Entry: | social Darwinism |
| Part of Speech: | noun |
| Definition: | social theories derived from evolution |
Synonyms: |
Darwinism, adaptation, evolution, law of the jungle, natural law, natural selection, phylogeny, social evolution, survival of the fittest, theory of evolution |
| Main Entry: | survival of the fittest |
| Part of Speech: | noun |
| Definition: | theory of evolution |
Synonyms: |
Darwinianism, Darwinism, Neo-Darwinism, adaptation, evolution, evolutionism, law of the jungle, natural law, natural selection, organic evolution, phylogeny, punctuated equilibrium, social Darwinism, social evolution |