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Describe briefly four ways in which individuals with a particular trait may increase in a population. 

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The four ways in which individuals with a particular trait may increase in a population are as follows: 

(a) Sexual reproduction results into variations. 

(b) The individuals with special traits survive the attack of their predators and multiply while the other will perish. 

(c) Genetic drift provides diversity without any adaptation.

(d) Variations in the species may lead to increased survival of the individuals.

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