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Question

Differentiate between divergent and convergent evolution. Give one example of each. [3] 


Solution

[1 mark for each point] 
Divergent EvolutionConvergent Evolution(i) It occurs when two different(i) It occurs when two differentspecies share a common ancestorspecies do not share a commonbut have different charactericticsancestor but have developed similarfrom one another.characteristics.(ii) It is supported by the homologous(ii) It is supported by the analogousstructures.structures.(iii) e.g. Whales, bats, cheetah and(iii) e.g. Wings of insect, batshuman share simi-larities in theand birds are a result ofpattern of bones of forelimbs.convergent evolution.

Biology

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