Read the following sentence from an analysis of early twentieth-century oceanography:
"While early twentieth-century marine biologists hypothesized that North Atlantic cod stocks migrated along uniform thermal gradients across open waters, empirical catch logs from 1912 to 1925 revealed that localized bathymetric features, rather than sea-surface temperatures alone, governed the seasonal aggregation of spawning populations."
Based on the sentence above, determine whether the following statement is True or False:
Prior to the analysis of the 1912–1925 catch logs, marine biologists placed greater emphasis on surface thermal conditions than on seabed topography when accounting for cod migration patterns.
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True. The sentence indicates that initial scientific hypotheses prioritized thermal gradients over bathymetric features, which were only established as governing migration after the 1912–1925 catch logs were analyzed.
The sentence directly contrasts an initial hypothesis (focusing on uniform thermal gradients) with a subsequent empirical discovery (showing localized bathymetric features governed seasonal aggregation). This contrast confirms that prior to the 1912–1925 catch log analysis, marine biologists emphasized thermal conditions over seabed topography.
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Single-Sentence Inference