The International Union for the Conservation of Nature and Natural Resources concludes that habitat destruction is the Earth's major cause of extinctions, accounting for twice as many extinctions as overexploitation, which in turn accounts for twice as many extinctions as introduction of exotic species (CEO 1981).
(overexploitation; accounts; for twice as many extinctions as introduction of exotic species) (The International Union for the Conservation of Nature and Natural Resources; concludes; that habitat destruction is the Earth's major cause of extinctions) Context(The International Union for the Conservation of Nature and Natural Resources concludes,List([0, 86))):(habitat destruction; is; the Earth's major cause of extinctions)
The International Union for the Conservation of Nature and Natural Resources concludes,List([0, 86))
overexploitation The International Union for the Conservation of Nature and Natural Resources habitat destruction
accounts concludes is
for twice as many extinctions as introduction of exotic species
that habitat destruction is the Earth's major cause of extinctions
the Earth's major cause of extinctions