Bacterial resistance to many antibiotics

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1. Bacterial resistance to many antibiotics has become a problem in the medical field making infections hard to treat. What type of natural selection does this represent?

2. Many years ago in Idaho there existed a population of horses.40% of the horses had a black coat, 39% of the horses had a whitecoat, while 21% had a coat that was spotted black and white.. Astime went on, due to predatory pressure from wandering wolf packs,the coat color of the horses became mainly spotted, with very fewindividuals with either a black coat or a white coat. What type ofnatural selection took place within the population of horses ? Whatmodern breed of horse might this population represent?

Reference no: EM13531245

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