用species extinction造句子，“species extinction”造句

The view that species extinction will result in natural disasters is by no means a groundless exaggeration.

The goal of Building nature reserves is to prevent species extinction and biodiversity loss.

But as human activities growing intensely, the balance being maintained for ten of thousands of years was broken. Several aspects below resulted the species extinction.

There is no natural foresight, no mechanism for warning that present selfish gains are leading to species extinction - and indeed, 99 per cent of all species that have ever lived are extinct.