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Evolution

QuestionAnswer
homology characteristics in different organisms that are similar as they are inherited from a common ancestor with that characteristic
analogous characters characteristics that are superficially similar but have separate evolutionary origins. Eg: bird and bats wings
differential reproductive success Individuals with certain traits are more successful than others at surviving and reproducing in their environment
Where does genetic variation come from? -Independent assortment of chromosomes in meiosis I -Crossing over of chromosomes -Mutation -Random fertilisation
selfish gene theory that evolution is driven by the genes that want to be preserved
fitness the ability for an individual to survive and reproduce
viability probability of survival to reproductive age
fertility average number of offspring per individual that survive to reproductive maturity
Absolute fitness
relative fitness
Created by: peasandrice
 

 



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