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Which of the following best describes the cause of the rapid increase in the number of mammalian species between 65 and 55 million years ago?
Which of the following best describes the cause of the rapid increase in the number of mammalian species between 65 and 55 million years ago? After the dinosaur extinction, many ecological niches became available, leading to the adaptive radiation of mammals.
Which of the following best describes the process responsible for the change in the percent of Tuskless female elephants in the Gorongosa National Park?
Which of the following best describes the process responsible for the change in the percent of tuskless female elephants in the Gorongosa National Park population shown in Figure 1 ? Human hunting of elephants with tusks between 1977 and 1992.
Which of the following best explains the impact of these new selective pressures on the organisms involved?
Which of the following best explains the impact of these new selective pressures on the organisms involved? The plant species will flower earlier in the spring in response to rising temperatures before the arrival of the pollinators, so seeds will not be produced.
Which of the following best predicts the effect of the enclosure on the Oneil population?
Which of the following best predicts the effect of the enclosure on the O'Neill population? The frequency of the MC1RD allele will decline due to natural selection.