Answer: Darwin.
- A Lamarck
- B Mendel
- C Darwin
- D Watson
Correct answer: C. Darwin
Explanation: Charles Darwin proposed natural selection as the mechanism of evolution in 'The Origin of Species' (1859). Alfred Russel Wallace independently proposed the same theory. Darwin's theory revolutionized our understanding of life's diversity.
A simple phylogenetic tree: a common ancestor branches into several descendant lineages over time, with each branch point marking a speciation event.
Concept context
Origin of life, Darwin's theory, natural selection, speciation, and evidence for evolution.