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Natural Selection, Speciation Extreme Environments

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Natural Selection
The process where the best adapted organisms survive, reproduce and pass on their genes
When the long term effects of natural selection leads to a characteristic becoming common place in a population
Beneficial features that help an organism to survive
The ability to be unaffected by disease or poison
When the long term effects of evolution lead to the creation of a new species, that is so genetically different that it can no longer successfully reproduce with its founder species
Reproductive Isolation
When organisms are blocked from reproducing by a physical barrier
A section of DNA that codes for a specific protein
The part of the cell that contains genetic information
1 molecule of DNA coiled up
Different versions of the same gene.