Some of nature's mysteries have kept scientists busy for decades—for example, the processes that drive evolution. The question of whether certain differences between and within species are caused by ...
Lamarckism contended that an organism may acquire characteristics in response to its environment and pass these on.
When the theory of evolution was put forth by Alfred Wallace and Charles Darwin in 1859, biological science was in its embryonic stage. Naturalists (the precursors of biologists) had been content with ...
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