The origin of species was the book that he published
They did
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.
Because of his scientific ideas
No one forced Darwin to publish his ideas on evolution and natural selection. However, he faced pressure from fellow scientists like Alfred Russel Wallace, who also developed similar ideas independently. Darwin published "On the Origin of Species" in 1859.
Alfred Russel Wallace. There was one other man who published something in the appendix of a treatise on ship timbers that was very close to Darwin's and Wallace's insight, but I forget his name.
Gregor Mendel and Charles Darwin did not develop ideas together. Mendel's work on genetics and inheritance was published in 1866, several years after Darwin had already published his theory of evolution by natural selection in 1859. Their work was largely independent of each other, though their ideas have since been integrated into the modern evolutionary synthesis.
Darwin did not actually meet Lamarck in person. Lamarck's ideas on evolution were published before Darwin's time, and Darwin was familiar with them through his readings. Darwin's theory of natural selection differed from Lamarck's theory of inheritance of acquired characteristics.
No, Charles Darwin did not retract his ideas of evolution. His theory of evolution by natural selection remains a cornerstone of modern biology and is supported by extensive scientific evidence.
There is no evidence to suggest that Charles Darwin renounced his theory of evolution before his death. In fact, he continued to write in support of evolutionary ideas and even published a book called "The Descent of Man" in 1871. Darwin's theory of evolution remains one of the most influential and widely accepted scientific theories to this day.
Strengths: Darwin's strengths included his keen observation skills, ability to formulate groundbreaking theories based on evidence, and his dedication to studying the natural world. Weaknesses: Some weaknesses of Darwin included challenges in translating technical scientific concepts for broader audiences, facing criticism and backlash for his revolutionary ideas, and struggling with health issues that impacted his work at times.
Darwin worked on his theory for 20 years. After learning that another naturalist, Alfred Russel Wallace, had developed similar ideas, the two made a joint announcement of their discovery in 1858. In 1859 Darwin published 'On the Origin of Species by Means of Natural Selection'.