In terms of fauna,the most influential factor may be the relative absence of__________ ,which is related to New Zealand's geological history.

Question

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New Zealand lacked any land mammals, including predatory mammals like wolves, tigers, or lions, for millions of years due to its isolation and unique geological history. This absence of predators played a significant role in shaping the evolution of New Zealand's fauna, which includes many flightless birds such as the kiwi, as well as reptiles and amphibians that were able to thrive without mammalian competition or predation. However, this lack of ecological pressure also made these species vulnerable to predation and competition from introduced mammals, particularly rats, stoats, and other predators that were brought to New Zealand by humans.

In Terms of Fauna,the Most Influential Factor May Be the Relative