The graph displays observations of a moth population over time. What does this graph indicate about this moth population? a It has undergone directional selection favoring black moths. b It has undergone disruptive selection favoring white moths c It is in stabilizing selection, favoring gray moths. d It is in equilibrium, favoring black, white, and gray moths.
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GPT-4o mini
To accurately interpret the graph and determine the correct answer about the moth population's evolution, we need to know the characteristics of the moths in the population (black, white, gray) and how their populations have changed over time.
1. **Directional selection** (option a) would indicate that one color (black, in this case) has increased significantly in frequency over time, showing that it is favored by environmental pressures.
2. **Disruptive selection** (option b) happens when two extreme phenotypes (like white and black) are favored over the average (gray), leading to a decrease in the population of gray moths.
3. **Stabilizing selection** (option c) occurs when the average phenotype (gray) is favored, resulting in a decrease in the extremes (black and white).
4. **Equilibrium** (option d) would suggest that all three colors (black, white, and gray) are maintained in stable proportions over time without significant fluctuations.
Without seeing the specific data on how the populations of black, white, and gray moths are trending in the graph, it's tough to provide a definitive answer.
Please describe the trends shown in the graph, or any specific population changes observed, and I can help you determine which option best applies to your scenario.
1. **Directional selection** (option a) would indicate that one color (black, in this case) has increased significantly in frequency over time, showing that it is favored by environmental pressures.
2. **Disruptive selection** (option b) happens when two extreme phenotypes (like white and black) are favored over the average (gray), leading to a decrease in the population of gray moths.
3. **Stabilizing selection** (option c) occurs when the average phenotype (gray) is favored, resulting in a decrease in the extremes (black and white).
4. **Equilibrium** (option d) would suggest that all three colors (black, white, and gray) are maintained in stable proportions over time without significant fluctuations.
Without seeing the specific data on how the populations of black, white, and gray moths are trending in the graph, it's tough to provide a definitive answer.
Please describe the trends shown in the graph, or any specific population changes observed, and I can help you determine which option best applies to your scenario.