Relationship of Fossilized Creatures to Living Species.

Renewable natural capital - living species and ecosystems.

are almost identical with those of living species.

Renewable natural capital - living species and ecosystems.

Renewable natural capital - living species and ecosystems.

The Loxodonta includes the following two living species:

The irreversible loss of species, which by 2100 may reach one-third of all species now living is especially serious.

The analysis considers roughly 25 percent of extinct species and 70 percent of living species.

The analysis includes about 70 percent of living species and 25 percent of extinct species.

The irreversible loss of species, which by 2100 may reach one-third of all species now living, is especially serious...

They added, "the irreversible loss of species, which by 2100 may reach one-third of all species now living, is especially serious.

LIVING SPECIES The irreversible loss of species, which by 2100 may reach one-third of all species now living, is especially serious.

On the Affinities of extinct Species to each other, and to living forms.—Let us now look to the mutual affinities of extinct and living species.

Chemical species are not invariable, any more than are living species.

The irreversible loss of species, which by 2100 may reach one-third of all species now living, is especially serious.