问题详情

Based on the results of Study 4, how did fragmentation most likely affect the population sizes of insectivoresand hummingbirds in the fragments studied？
A.Fragmentation increased the population sizes of both insectivores and hummingbirds.
B.Fragmentation decreased the population sizes of both insectivores and hummingbirds.
C.Fragmentation increased the population size of insectivores and decreased the population size ofhummingbirds.
D.Fragmentation decreased the population size of insectivores and increased the population size ofhummingbirds.请帮忙给出正确答案和分析，谢谢！