Classify each example of a loss of biodiversity as being due to habitat destruction, invasive species, overexploitation, or pollution.
Habitat destruction
Invasive species
Overexploitation
Pollution
Overgrazing by livestock causes soil erosion and the loss of grass species.
Clearing of a rain forest leads to the extinction of native snake species.
A species native to Asia enters North America and outcompetes native species
Construction of a dam makes water conditions unfavorable for aquatic species.
Fertilizer runoff depletes oxygen in aquatic habitats, killing many species.