Darwin was most influenced by
Thomas Malthus's work on population
The correct option is B.
Explanation of the correct option:
Explanation of the incorrect options:
Option A:
Alfred Russel Wallace proposed that evolution takes place due to a phenomenon known as natural selection.
Option C:
Origin of Species via Natural Selection was given by Charles Darwin.
Option D:
Lamarck proposed theories like the inheritance of acquired characters, use, and disuse, increase in complexity, etc.
Final answer: Darwin was most influenced by Thomas Malthus's work on population.