Here are some key facts about the theory of evolution in (subject, predicate, object) triples:

1. (Charles Darwin, proposed, the theory of evolution)
2. (Evolution, is, the gradual change in the characteristics of living organisms over generations)
3. (Natural selection, is, the process by which certain traits become either more or less common in a population)
4. (Organisms, adapt, to their environment through natural selection)
5. (Mutations, provide, the genetic variation upon which natural selection acts)
6. (Survival of the fittest, describes, the tendency of organisms with favorable traits to survive and reproduce)
7. (Speciation, occurs, when a population splits into two or more genetically distinct groups)
8. (Fossil record, provides, evidence for the process of evolution)
9. (Common ancestry, is, the idea that all living organisms are related and share a common evolutionary origin)
10. (Evolution, is, the unifying theory of biology that explains the diversity of life on Earth)
