EVOLUTION
DARWIN’S THEORY OF NATURAL SELECTION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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speciation
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macroevolution
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small-scale changes in a population
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large-scale changed in a population
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Detailed explanation-1: -Microevolution is simply a change in gene frequency within a population. Evolution at this scale can be observed over short periods of time-for example, between one generation and the next, the frequency of a gene for brown coloration in a population of beetles increases.
Detailed explanation-2: -Microevolution is defined as changes in the frequency of a gene in a population. These are subtle changes that can occur in very short periods of time, and may not be visible to a casual observer.
Detailed explanation-3: -These two extremes represent classic examples of micro-and macroevolution. Microevolution happens on a small scale (within a single population), while macroevolution happens on a scale that transcends the boundaries of a single species.
Detailed explanation-4: -Small-scale evolution or microevolution concerns evolution at the intra-specific level or between closely related species. At the intra-specific level, it allows the analysis of the evolutionary forces at work: mutation, genetic drift, migration and selection.
Detailed explanation-5: -Summary. Microevolution is the process by which organisms change in small ways over time. Macroevolution refers to larger evolutionary changes that result in new species.