Which factor contributed least to the extinction of the passenger pigeon species?
A) laws that...
Biology, 03.05.2020 13:15 Naysa150724
Which factor contributed least to the extinction of the passenger pigeon species?
A) laws that banned the hunting of passenger pigeons to sell in new markets
B) improved communication technology, which tracked the pigeon flocks
C) expansion of the railroads, which opened up new markets for selling pigeons
D) increased use of the passenger pigeons as a good source for humans
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