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1·Evidence points to hunting by humans and habitat destruction as the likely causes for the current mass extinction.

有证据表明，人类的捕猎和栖息地的破坏可能是导致当前物种大量灭绝的原因。

2·We saw how important habitat selection is when we look at habitats where some of these factors are removed, perhaps through habitat destruction.

这些因素可能通过栖息地的破坏而消失，而当我们观察那些没有了这些因素的栖息地，可以看到栖息地选择的重要性。

3·Countless species have disappeared due to over-hunting, habitat destruction and habitat fragmentation, pollution and other unnatural human causes.

由于过度捕猎、栖息地破坏和破碎化、污染和其他非自然的人为原因，无数物种已经消失。

4·The mamba is mainly threatened by habitat destruction.

黑曼巴主要地被生境破坏威胁。

5·Habitat destruction remains the primary threat to the bamboo-eating bears.

对这种食竹的熊类来说，栖息地的丧失仍然是最大的威胁。

6·Poaching and habitat destruction threaten African elephants throughout their range.

偷猎和栖息地被破坏威胁着非洲象的生活范围。

7·The habitat destruction has contributed to a plunging animal population throughout the region.

在整个区域内，野生动物栖息地的破坏已经成为动物数量大幅度缩减的元凶。

8·So we keep putting them into zoos to protect them from poachers, as well as from habitat destruction.

所以我们会把它们放到动物园中保护它们不受偷猎者以及栖息地破坏的侵害。

9·This critically endangered species has suffered from overfishing, dam building, and habitat destruction.

这种濒危物种苦于过度捕捞，修筑水坝和栖息地锐减。

10·Salmon once thrived here, but over the years DAMS, overfishing and habitat destruction have diminished their number.

三文鱼曾在这里大量繁殖，但由于多年的围坝、过度捕捞和生态环境的破坏，导致其数量减少。