The four factors that affect evolution are mutations, natural selection, genetic drift and the gene flow, In the case, if the ground finches that Grants studied, we can observe the working of the natural selection. Due to change in the conditions in the environment, the large beak was an advantageous trait that was favored by the natural selection. The result of this process was an increase in numbers of large beaked finches and decrease in small-beaked finches compared to the initial numbers in the population.
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The marine industries affected the marine life and ocean water in many ways. When carbon dioxide dissolves in seawater, the water becomes more acidic and the ocean's pH drops. In the past two hundred years alone, ocean water has become 30 percent more acidic and faster than any known change in ocean chemistry in the last million years.
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E. Variations in Earth's orbit occur gradually over 100,000 years.
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Internal response; when a person is infected by a bacteria or virus, the immune system springs into action to fight against the infections. Geotropism and phototropism are dealing with plants and they way they grow, while fight or flight is a physiological reaction by the human body in stressful situations-- so they are incorrect.
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