Because they were so radical and went against religious teaching of the day.
Darwin's ideas are widely accepted today because they are supported by evidence from various fields such as genetics, paleontology, and comparative anatomy. His theory of evolution by natural selection provides a coherent explanation for the diversity of life on Earth and has withstood the test of time through repeated scientific validation. Additionally, Darwin's work has influenced and inspired subsequent research in biology, leading to further discoveries that reinforce his original proposals.
Alfred Russel Wallace independently developed the theory of evolution by natural selection, which was very similar to Charles Darwin's ideas. Wallace and Darwin jointly published a scientific paper on the subject in 1858.
Most of Darwin's ideas, such as natural selection and common descent, are widely accepted in the scientific community today. However, some aspects of his work, like the mechanisms of heredity and the pace of evolution, have been refined and expanded upon with more recent scientific discoveries.
Actually Darwin's theories and evidence were almost immediately accepted by the scientific community. His dissertations met with great success and very little resistance. Most of those who did resist had theological underpinnings for their belief that species were immutable and could not change over time. And it was for that same reason (ie. religion) that Darwin's discoveries were not accepted by the general public and that the teaching of biological evolution, though a demonstrable and extraordinarily well understood fact of nature, meets with resistance even to this day.
Scientists before Darwin, such as Lamarck and Lyell, influenced Darwin's ideas by presenting concepts like geology and the idea of species change over time. Lamarck's theory of acquired characteristics and Lyell's principles of uniformitarianism provided a basis for Darwin to develop his theory of evolution through natural selection. Darwin built upon these ideas by incorporating them into his own theory, which became the foundation of modern evolutionary biology.
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people challenged accepted beliefs and authority
artificial selection
artificial selection
artificial selection
people challenged accepted beliefs and authority
people challenged accepted beliefs and authority
people challenged accepted beliefs and authority
people challenged accepted beliefs and authority
people challenged accepted beliefs and authority
people challenged accepted beliefs and authority