Martin is a dairy farmer who makes more profit when his cows produce more milk.He has recently taken to selectively breeding cows that produce more milk ahead of cows that produce less milk so that he will be able to maximize his product output.Additionally,he tries to push breeding of chickens that produce more eggs so that he has more eggs to sell.According to Charles Darwin,Martin is engaging in __________ selection.

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Martin is intentionally breeding animals that have desirable traits (producing more milk or more eggs) in order to increase his profit. This is an example of artificial selection, as the breeding is being controlled by human intervention rather than natural selection.

Martin Is a Dairy Farmer Who Makes More Profit When