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Biology, 10.03.2020 02:57 skeletonorchestra

In a landmark 1979 paper with an absurdly long title (look it up for a laugh), gould and lewontin laid out an argument against automatically considering that all organismal structures, fuctions, and traits are adaptive in nature. statement 1: this paper laid the gorundwork for researchers to recognize that bird/dinosaur feathers are ikely not adaptiations for flight. Statement 2: However, we also know that different types of feathers are adaptive for different aspects of flight. For instance, peregrine falcons have particularly elongated wing feathers that are considered an adaptation for extremely fast flight - peregrines are in fact the fastest living animals on the planet. How do we know that feathers in general are not an adaptation for flight (related to statement 1)?

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