Category Archives: Speciation Theory
Speciation – a brief history: The eighteenth century evolutionist Lamarck
Eighteenth century ideas From Buffon we see that geographical factors are what caused novel forms for eighteenth century naturalists. Buffon’s view is a degenerative view of transformism. “Species” for him are degenerate forms of the premiere souche or first stock. The varieties we see around us are caused by local adaptation, through processes that are direct: […]
Posted by in Evolution, Speciation, Speciation Theory
Speciation – A brief history: The late eighteenth century
After Linnaeus had settled on the older mechanism of hybridisation of genera with other genera or with varieties formed by geographical conditions as the cause of new species, the topic began to pick up speed. Hybridisation remained the usual method … Continue reading
Speciation – a brief history: Linnaeus
One of the fundamental aspects of evolution is speciation. This is the process by which more species come into being, and there are many different definitions and mechanisms that have been proposed by biologists in the last couple of centuries. … Continue reading
The origins of “speciation”
As I do some research on the history of speciation theories, I came across this, which is perhaps the original coining of the term: Evolution is a process of organic change and development, universal and continuous, and due to causes … Continue reading