Speciation & Alfred Wallace
Speciation is the evolutionary process by which new biological species arise.
What is geographical isolation?
What is Speciation & Alfred Wallace?
"Speciation is the formation of new and distinct species in the course of evolution."
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Why is understanding the human genome important for modern medicine?
Which group belongs to the domain Archaea rather than true bacteria?
If both parents are heterozygous (Bb) for a recessive trait (b), what is the probability their child will express the trait?
Origins of Species
Alfred Russel Wallace worked on warning coloration in animals and helped develop the theory of speciation.
Geographical isolation: A population becomes separated by a physical barrier (e.g., mountains, sea).
Natural selection occurs independently in each population until they can no longer interbreed.
Wallace is often forgotten, but he independently came to the same conclusions as Darwin and they published together in 1858.
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