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Unit 2: BIRD MIGRATION
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Multiple Choice
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1. Feat
/ɪmˈperətɪv/ (n.) a priority; an urgent need Migration is an excellent example of how nature has responded to the biological imperative for species to evolve and spread out
/ˈwɪndswept/ (Adj.) unprotected from the wind Many rock ptarmigan never leave the high arctic tundra, spending their breeding season atop windswept arctic peak
/fiːt/ (n.) a difficult act or achievement Modern-day researchers have attempted to understand this feat.
/ˈspiːʃiːz/ (n.) type; a basic group in biological classification Migration is an excellent example of how nature has responded to the biological imperative for species to evolve and spread out
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