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Why do migratory species present a special problem for conservation biologists? Select ALL that apply.


Their use of multiple habitats requires protection of multiple areas.


They may face restrictions to movement along their migratory route, even in areas they do not spend much time in.


Alterations of global patterns and cues such as temperature may lead to migratory mistiming.


They are more likely to invade other biological communities, causing extinction crises there.


Habitat alteration may obscure navigational cues, causing these species to become lost.


Learned knowledge of migratory routes can be lost if experienced individuals die, making remaining individuals less able to successfully migrate.

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