Some 99 percent of extinctions that have occurred on this planet occurred before human beings existed. The environment does not preserve species or habitat. Civilization is artificial. The artificial institution of law helps to channel human predatory instincts to more humane purposes. One does not have to watch too many nature documentaries before it becomes clear that theft, assault, rape, and murder are common behaviors in the animal kingdom.
Nature has no law respecting property.
The strong dispossess the weak. Abandonment, exile, and death are the fate of those who cannot compete in the Darwinian struggle. Technology is artificial. The inquiring minds of the human species have discovered or created the means to enable the survival of the weak, the lame, and the sick. Medicine has lowered the mortality rates from disease, accident, and violence.