Which idea was Lamarck's theory of Evolution based upon?
natural selection
variation in populations
inheritance of acquired traits
descent with modification

The Correct Answer is D. Natural selection provided a better explanation for what they observed in the natural world.

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ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).