Dhole predation on these ungulates did not differ from random.
豺取食情况则相当随机。
3.Food, temperature and predation pressure directly act on the value of venturous revenue and are major environmental factors affecting DVM of the copepod.
3.食物、捕食压力直影响风险收大小,是影响桡足类垂直迁移主要环境因子。
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It's hard to watch these predations, but death is a crucial part of the natural cycle.
这食画面让心酸,但生死轮回是大自然一种循环。
Many insects, for example, use flight to avoid predation.
例如,许多昆虫通过飞行来躲避食。
When released from the threat of predation, then, females tend to be gaudier.
一旦没有天敌威胁,雌性就变得更花哨。
The study of coprolites tells you key information about an animal's diet and predation habits.
对粪化石研究告诉了我们关于动物饮食和食习惯关键信息。
From an evolutionary perspective getting out there and mating would increase the odds of predation.
从进化角度来看,外出交配会增加被食几率。
This makes their offspring more vulnerable to predation than those of the tunnelers and rollers.
与挖道蜣螂和粪蜣螂相比,这种方式使它们后代更容易遭到猎食。
And finally, predation is a more likely reason for the uneven pattern of otter decline.
最后,食更有可能是水獭下降分布不均原因。
The thing about predation is it's very dangerous, both for the prey and for the predator.
猎过程非常危险,对于猎物和猎者都如此。
Ongoing investigations have shown that predation is the most likely cause of the sea otter decline after all.
调查显示,食是水獭数量减少最可能原因。
So in this case there's across-protection mutualism between these two species in which they help to avoid predation.
“因此在这种情况下这两个物种就形成了互惠共生关系。”
There are these marsupial lions, and I think a big body size would have enabled them to escape predation.
还有这些有袋狮,我认为大体型能让它们躲避猎。
It seems to be a vehicle for predation.
它似乎是一种食工具。
Rather, it's a way to more quickly outgrow a stage where they're especially vulnerable to predation or dangerous environmental conditions.
同类相食是更快长大,跳出一个它们很容易被食,或被危险环境条件影响阶段。
Few live past the age of 6 because of predation and harsh winter conditions.
由于食和严酷冬季条件, 很少有能活过 6 岁。
SABRINA IMBLER: I acknowledge this metaphor of predation is cheap.
SABRINA IBLER:我承认这种掠夺比喻很廉价。
Which is why researchers set out to look for proof that human predation played a role in the demise of Genyornis.
因此研究员们搜集证据,希望找出远古类猎对这种巨鸟灭绝产生影响。
GUIPEUN KANG: Octopuses use their chemotactile receptors for their exploratory predation behaviour.
GUIPEUN KANG:章鱼使用它们化学触觉受体进行探索性食行为。
Well, ongoing investigations have revealed that predation is the most likely cause of sea otter decline after all.
好吧,正在进行调查表明, 食毕竟是海獭数量减少最可能原因。
So what we are studying now is whether natural selection imposed by predation could explain the occurrence of iridescence in prey animals.
“因此,我们现在正在研究是,食所施加自然选择是否能解释猎物身上出现彩虹色原因。”
Whaling vessels were sometimes the victims of the predations of other countries, our enemies, who sought to inflict economic harm.
鲸船有时是我们敌其他国家掠夺受害者,这些国家试图造成经济损害。
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