In a long-term ecological study, botanists discovered that in forest sectors where the canopy was artificially thinned to allow maximum sunlight to reach the ground, individual Silver-leaf Ferns exhibited a 40 percent faster growth rate and produced twice as many spores per plant as ferns in fully shaded sectors. Nevertheless, comprehensive surveys reveal that the total geographic area covered by Silver-leaf Ferns in the thinned-canopy sectors is substantially smaller than the area they cover in the adjacent fully shaded sectors.
Which of the following most accurately describes the apparent discrepancy presented in the information above?
- Individual ferns demonstrate greater growth and reproductive output in environments with more sunlight, yet the population as a whole occupies a significantly smaller spatial footprint than populations in shaded environments.Answer
- BThe increased sunlight in the thinned-canopy sectors causes the ferns to mature too rapidly, which ultimately prevents them from spreading over a wider geographic area.
- CThe total geographic area occupied by the Silver-leaf Ferns in the thinned-canopy sectors is surprisingly small, especially given that the forest canopy was artificially thinned.
- DFerns in the fully shaded sectors possess specialized adaptations that allow them to cover a larger geographic area, compensating for their lower individual growth rates and reproductive output.
- EBotanists were able to measure the enhanced growth rate and spore production only after comparing the thinned-canopy sectors with the adjacent fully shaded sectors.
Answer
The correct answer is the option stating that individual ferns demonstrate greater growth and reproductive output in environments with more sunlight, yet the population as a whole occupies a significantly smaller spatial footprint.
The correct answer accurately synthesizes the two conflicting sets of facts presented in the stimulus without attempting to explain them. It captures the precise tension between the thriving individual ferns (faster growth, more spores) and the unexpectedly small overall geographic area their population covers.
Step-by-Step Solution
Key Concept
Identifying the Apparent Discrepancy
Estimated Time:1m 45s