During migration, animals undertake a
a. seasonal movement
b. repeating daily cy...
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Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food
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What will happen to the amount of food available as a pondwater ecosystem ages
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