spring18-THEIS Activities and Due Dates CH18 Gradebook /2018 09:15 AM 5.9/100 Pr
ID: 187761 • Letter: S
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spring18-THEIS Activities and Due Dates CH18 Gradebook /2018 09:15 AM 5.9/100 Print Calculator Periodic Table on 3 of 16 Map Sapling Learning Which scenario is an example of natural selection? Birds with long, thin beaks are better able to hunt termites and thus survive, passing on their beak traits to their offspring A farmer crosses two strains of corn plants with sweet tastes with one another to produce sweet O tasting offspring Peghens preferentially mate with peacocks with large tail feathers, though large tail feathers O make peacocks easier targets for predators A volcanic lava flow kils plants in low-lying areas, sparing plants on hilltops and changing the allele frequencies within the plant population MacBook AirExplanation / Answer
Answer: Birds with long, thin beaks are better able to hunt termites and thus survive, passing on their beak traits to their offsprings
In the second and third options, the selection is artifical, and thus not natural.
A sudden disaster causing the death of a population irrespective of the traits is not accounted for in natural selection.
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