1. variation-individuals vary in traits within a species.
2. inheritance- oppspring will inherit the traits
3. offspring with the best traits will survive and reproduce, others will die out.
Evolution is a scientific theory. A theory is consistent with all known laws of physics and satisfactorily explains all confirmed observations.
A well tested explanation of a wide range of observations is known as a Theory, such as the Theory of Gravity or the Theory of Evolution.
Alfred Russel Wallace supported his idea of natural selection through observations of species distribution and variation in different environments, particularly during his travels in the Amazon rainforest and the Malay Archipelago. He noted how species were adapted to their specific habitats, with those in similar environments exhibiting convergent traits despite geographical separation. Additionally, he recognized the role of competition and survival in the struggle for existence, leading to the gradual evolution of species. These observations, alongside the natural variation he documented, formed the basis for his co-discovery of the theory of evolution by natural selection.
The bulk of Charles Darwin's observations were made on the Galapagos Islands. He had journeyed there seeking evidence that wildlife was connected to a much older center of creation. His studies of different variations of finches there, led to his Theory of Evolution.
He had a journal and wrote the observations he saw on his visits to chart the South American coastline. Some of these observations included animal similarities even though he noticed they were geographically isolated.Thus he eventually proposes the theory of evolution based on his observations in his personal journal.
It explains our observations in biology and palaeontology.
Evolution is a scientific theory. A theory is consistent with all known laws of physics and satisfactorily explains all confirmed observations.
horses and zebras are similar.They have common ancestors.
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Darwin's Theory of Evolution is solidly based on detailed observation of many different species, and on logical analysis of those observations, hence, it is scientific.
A well tested explanation of a wide range of observations is known as a Theory, such as the Theory of Gravity or the Theory of Evolution.
The Galapagos Islands is where he came up with the idea of natural selection.
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The Galápagos Islands was where Charles Darwin theorised on the science of evolution.
To explain the species problem, " that mystery of mysteries " which was the natural history problem of the day. From his observations and experiments Darwin proposed his theory of evolution by natural selection, which provided a mechanism for the observed fact of evolution.
The three roots of science evolution are empirical observations and experimentation, logical reasoning and critical thinking, and the constant revision of theories based on new evidence and data.
Charles Darwin made his most important observations on the Galapagos Islands, specifically on islands such as Santiago, Santa Cruz, and Isabela. These observations influenced his theory of evolution by natural selection.