5th box -Flashcards

Multiple choice questions

Question:

1. Stray

/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
/ɪˈvɒlv $ ɪˈvɑːlv/ (v.) to develop gradually Scientists believe that birds evolved from dinosaurs.
/ˈɒptəməl $ ˈɑːp-/ (Adj.) best, most favorable This form of migration allows birds to breed in areas that provide optimal conditions for nesting and feeding their young.
/streɪ/ (v.) to leave the correct route; become separated from the group When the stars are obscured by clouds, nocturnal migrants may become confused and return to land or stray off course.

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