The Evil Quartet encompasses the drivers of biodiversity reduction: habitat destruction, excessive harvesting, introduced species proliferation, and co-extinctions. The most accurate designation is "Factors contributing to biodiversity decline" (III).
Conservation efforts undertaken beyond the species' native environment, such as freezing biological material, are termed Ex-situ conservation (I).
*Lantana camara* is classified as an invasive alien organism (II).
The Dodo represents a species that no longer exists (IV).