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evolution by descent
Herbert Spencer proposed the theory of social evolution, often referred to as Social Darwinism, which suggested that societies evolve over time through a process of natural selection similar to that of biological evolution. He believed that societies could progress and improve through competition and the survival of the fittest.
The first social theory of aging is the Disengagement Theory, proposed by Elaine Cumming and William Henry in 1961. The theory suggests that as people age, they naturally withdraw or disengage from society, leading to mutual separation between the older individual and their social roles.
Functionalism is a sociological theory that views society as a complex system with interdependent parts working together to maintain social stability and equilibrium. It emphasizes the functions and roles of social institutions in meeting the needs of society. Functionalism focuses on how each part of society contributes to the overall well-being and functioning of the whole.
The other name of sociology is the study of society or social science.
Convergent evolution, or convergence theory.
Abiogenesis.
The great Charles Darwin is most credited with the theory of evolution, but there were many before him that had similar ideas, and many people since have advanced the science of evolution.
evolution by descent
the origin of species
Jean-Baptiste Lamarck.
Theory of Evolution. ----------------------------- One should be careful with calling this a theory for the beginning of life; the theory of evolution does not state how life began, only how it evolved. How actually life started is still a mystery, although process is being made.
Charles Darwin was a famous English naturalist, who proposed the theory of evolution.
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Darwin's original theory was formulated over 150 years ago. The modern theory of evolution, while still basically the same as Darwin's, is also significantly different. In either case, there is no scientific alternative to the origin of biodiversity.This is equivalent to how there is no scientific alternative to Atomic Theory.
Darwin's theory of evolution by natural selection was not replaced, but it was updated and modified, as new information arose, resulting in Modern Evolution Synthesis (MES) becoming the current supported model of evolution.
The theory of evolution by natural selection. Sexual selection. Just to name the two most important contributions of Charles Darwin.