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Most of his key insights were gained on the famous voyage of the HMS Beagle. In particular when he visited the Galapagos islands, where he noticed variations in species between the islands that rendered the animals slightly more suitable to the environments of where they were found. His experiences on the Galapagos were not the only place he found evidence for natural selection however, he also studied earthworms and artificial selection in dogs and pigeons among other things. His body of work was really quite immense, more than most realise
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Darwin was able to observe how a few basic creatures evolved and specialized in different roles.
The highlighted short version of Darwin's ideas is "survival of the fittest". Individuals with certain characteristics may survive and reproduce more than individuals with… other, less successful, variants. Natural selection can be contrasted with artificial selection, in which humans intentionally choose specific traits in breeding animals (although they may not always get what they want). Over time, species became better adapted to their environment.
By observing animals on the Galapagos islands.
He got most of the information he based his theory on from observations he made on the Galápagos Islands.
Principles of Geology by Charles Lyell
I think it is the origin of species.
1. Variation is the raw material of natural selection 2. Living things face a constant struggle for survival (produce more offspring than survive) 3. Only some individuals su…rvive long enough to reproduce 4. Natural selection results in genetic change 5. Species adapt to their environment (NS makes a species better suited to live in their environment)
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The result of natural selection is that those individuals whose characteristics(health, strength, camouflage, skills etc) made them more suited to survive would indeed be …the ones who survived at least long enough to successfully breed, and passed on their characteristics to their offspring.
Who published his own theory of evolution by natural selection about the same time as Charles Darwin?
Alfred Russel Wallace.
Why are the Galapogos Islands an important resource for Charles Darwin as he created his theory of natural selection?
I expect it's because of the varied ranges of habitats found there, so a range of different species could evolve and adapt to different environmental factors.
He observed the various beak shapes and sizes of the finches, and their distribution across the Galapagos Islands.
It wasn't! Social Darwinism is a concept developed by Herbert Spencer and has nothing to do with the biological theory of evolution by natural selection. It is a Landmarkian… concept in a fashion as groups compete with groups and acquired group superiority's are passed on. Also, the theory of evolution by natural selection is a individual selection theory, basically, and has nothing to do with group selection of this nature. Darwin was not pleased by this Spencerian corruption of his theory. PS: I, personally, am appalled that this nonsense is still being taught in schools. Tell your teacher ( sociology, perhaps? ) to get a clue!
He didn't. If you have to try, it's not natural selection anymore.
The seed of the idea originated during his voyage on the HMS Beagle from 1831 to 1836. He spent much of the remainder of the 1830s and 1840s more fully fleshing out his ideas,… and writing the theory down. He then rushed to publish his book in 1859.
Survival of the fittest