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Lynn Margulis proposed this theory in 1996. It explains how the eukaryotic cells engulfed through  endophagocytosis some organelles such as mitochondria and chloroplasts, which evolved from ...

·      Changes in genotype (genetic evolution via natural selection) have lead to cultural evolution in humans by promoting intelligent behaviour

·      L...

Incompleteness of the Fossil Record

▪       Fossilisation is an exceptionally rare occurrence that requires an unusual combination of special condi...

A polymorphism is the occurrence of two or more clearly different phenotypes within the same population of a species - it reflects the effects of more than one allele in the gene pool

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