It didn't. Darwin simply assumed that, whatever the biological and palaeontological data turned out to suggest, there must have been enough time for it to occur in. If anything, Darwin's theses affected how naturalists of the time gauged the age of the Earth.
Darwin read the book Lamarck wrote and said that he did not get one idea from it as it was ludicrous in content. So, Lamarck would be the one scientist that did not influence Darwin according to Darwin.
The influence of providing an explanatory mechanism for what was obvious to Darwin; species arose and species went extinct.
Anne Elizabeth Darwin
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old age
Charles Darwin had 10 children, However 3 of them died in early age. Darwin was very sad about this.
He helped him when he Darwin was studying the theory of earth.
Darwin Joston died on June 1, 1998 at the age of 60.
He helped him when he Darwin was studying the theory of earth.
Darwin Joston died on June 1, 1998 at the age of 60.
The Beagle
organisms change over time