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kolbaska11 [484]
3 years ago
9

Pls help A scientist is designing an investigation to study the impact of invasive bird populations on local, native bird popula

tions 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 population
Native birds at backyard birdfeeders
Biology
2 answers:
Oliga [24]3 years ago
7 0

<u>Are you sure?</u> the whole question D is: Local backyard birdfeeders without food. Are you sure this is the right one?

miskamm [114]3 years ago
4 0
Probably D because bird feeders attract birds
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