Why do certain species go extinct?
为何存在某一种类灭绝?
Will human being go extinct one day?
人类会有灭绝的一天吗?
Will it make a difference... if these species go extinct?
如果这些物种灭绝······会有什么差别呢?
Richard Prum: Dinosaurs are all around us. They didn't go extinct.
理查德·普鲁姆:恐龙就在我们身边,它们没有灭绝。
As human beings, we should be ensuring that we don't cause other species to go extinct.
作为人类,我们应该确保我们不会引起其他物种的消失。
Scientists say that seventy-four different kinds of living things go extinct every day!
科学家说每天有七十四种不同种类的生物灭绝!
Regardless, the gimmicky new app would likely draw a crowd, making sure your band doesn't go extinct.
但不管怎么样,这个新奇的应用肯定能帮你拉来一大帮人,给你的乐队聚集人气。
People are just really afraid that this will be a generation that will see elephants go extinct in the wild.
人们真的很担心这一代人将会目睹野生大象绝种。
GERALD LEAPE "They undermine the efforts of scientists to set quotas to make sure that stocks of fish do not go extinct."
Gerald Leape:“他们破坏了科学家设置捕捞配额以确保鱼类种群不致于灭绝的努力。”
Within months, the team deduced that the species was in trouble - "and that it would go extinct if we didn't do anything," Chen says.
在几个月的时间内,这个研究团队推断白鳍豚这个物种正处在困境之中——“而且如果我们什么都不做的话,白鳍豚将会灭绝,”陈佩熏说。
Error catastrophe occurs when high mutation rates give rise to so many deleterious mutations that they make the population go extinct.
当高突变率引发众多能导致种群灭绝的有害突变时,错误突变便出现了。
A new report on the state of the world's oceans warns Marine life is likely to go extinct at a rate unprecedented in human history.
关于世界海洋状况的新的报告警告称,海洋生命可能正在以人类历史上前所未有的速度灭绝。
The strategy, however, may not be so good for the few males left in scale insect populations: They're becoming obsolete and may eventually go extinct.
然而,这种生殖策略对于介壳虫种群中所剩无几的雄性来说,可能不是一件好事:它们变得越来越没有用了,最终可能会灭绝。
Wanless says Gough Island mice are depressing bird populations and will cause some species, such as the Tristan albatross, to go extinct if left unchecked.
万利斯说,戈夫岛上的老鼠是令人沮丧的鸟类种群,如果不加以控制,会造成如特里斯坦信天翁等一些物种的灭绝。
Because dinosaurs are extinct the scientists had very little to go on.
因为恐龙已经灭绝,科学家几乎无法研究。
Because dinosaurs are extinct the scientists had very little to go on.
因为恐龙已经灭绝,科学家几乎无法研究。
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