Natural selection: a process by which individuals that have certain ____ traits survive/ ____ at higher rates than other individuals //A process of selection involving environmental factors as selecting agents, resulting in favourite traits being more ____/ dominant (unfavourite traits being less represented/ less dominant) in the next generation. A mechanism of evolution // caused by ____ pressure/population. Members of a population become ____ to the environment / greater fitness. Favourable traits increase in successive generations// favourable traits are passed on to the next generation. Less favourable traits become scarce / ____, caused phenotypic variation in the population. Three types of natural selection; stabilizing, ____ and disruptive. Artificial Selection: ____ are exerting a (directional) selection pressure, which leads to changes in allele/genotype ____ in a population. Producing new breeds/strains / varieties/races / subspecies of organisms. Carried out by ____ breeding on organisms showing desired characteristics/traits. Useful / for a specific purpose. Two types of artificial selection; inbreeding and ____

Explain natural and artificial selection.

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