This, in turn, has a major effect on their diet, leading scientists to speculate that the ability to learn population-specific hunting methods could be driving the animals' genetic development.
这进而对它们的饮食产生了重大影响,促使科学家们推测,学习特定种群狩猎方法的能力可能推动了这些动物的基因发育。
Sometimes it is because in the new population, the genetic background for their other genes masks the effect of gene a on depression.
有时,那是因为在新的人群中,人们其他的基因作用下的遗传背景掩盖了基因A对抑郁的效应。
A common strategy is to posit some externalcause such as population growth, climate change, or a new technology, and thenshow its effect on institutions and culture.
一个通常的策略是假设一些诸如人口增长、气候变化、技术革新的外因,然后说明其对制度与文化的作用。
As for households, the economists say that the aging of the population will have a big effect.
至于家庭,经济学家说,人口的老龄化将产生巨大的影响。
Where population is growing fastest, in sub-SaharanAfrica, emissions per person are only a few percent of what they are in theU.S.—so population control would have little effect on climate.
在撒哈拉沙漠以南非洲人口增长最快的地方,人均排放只是美国人均排放的百分之几——因此控制人口对气候没有多大影响。
Relative costs are affected by interstate population flows, but those costs then in turn have a feed-back effect on population flows. This is particularly so for Queensland.
相关的成本还受州际人口流动的影响,但这个成本对人口流动也有一个反馈的效果,昆士兰是特别如此。
It takes another generation before the effect of smaller families-that is, of lower fertility-starts to show up in the overall population figures.
这得需要下一代家庭同样很小,人口出生率低,才能在总人口的数字上呈现出减少的迹象。
"Humans can have an effect very quickly and very easily on the sturgeon population," Hale said.
“人类对鲟鱼的种群数量的影响可以是迅速而轻易的,”黑尔说。
And the interesting thing is that the Malthus effect-which says the population will grow to eat up all of the incremental income-didn't happen.
有趣的是,马尔萨斯效应——说的是所有增加的收入都会被人口增长所吞噬——并未发生。
Population growth, pollution and invasive species are having a disastrous effect on species in the southern hemisphere, a major review by conservationists warns
自然资源保护者的重要回顾报告提出警告说,人口增长、环境污染以及外来物种正对南半球的物种产生灾难性影响。
New technological developments had little effect on farmers. (B) the percentage of the total population working in agriculture declined.
由此可知农业人口的数量和比例下降了。
India has, in effect, added to its population the entire citizenry of Brazil, itself the world's fifth most populous country.
事实上,印度此次增加的人口,几乎等于巴西这个世界人口排名第五的国家的人口总和。
Extreme weather events are also likely to have a more destructive effect in future decades, as population density increases due to reasons unrelated to climate change.
在未来几十年,因为与气候变化无关的原因使人口密度增加,极端气候事件可能更具破坏性。
By mimicking the effect of this enzyme, researchers found it was possible to maintain a healthy population of pigment-producing stem cells in the hair follicle for longer.
研究人员发现通过模仿这种酶的作用,可以更长时间地维持发囊里产生色素的干细胞的健康数量。
So even though a drug might work well for patients whose tumors have a particular mutation, when the drug is used for a broader population, it shows only a small effect.
所以,即使一种药物对有同一变异的肿瘤患者有效,但当应用于更广泛的患者时就可能收效甚微。
More people, and it's the combination of all the things we've talked about—technology and its transformation effect on work, and demography and the huge explosion in population.
高科技及其对工作性质的改变影响,人口以及人口大爆炸,这些我们提及过的因素加在一起将导致毕业生越来越多。
The main purpose of this paper is to study the effect of time delay on population growth.
这篇文章的主要目的是研究时滞对种群生长的作用。
The depressing thing is that this approach neither lowers the number of people who smoke below one-third of the population nor seems to have much effect on the number of wars in the world.
令人沮丧的是它不但没有把吸烟者的数量降到人口的三分之一以下,而且对战争的发生似乎并没有太大的影响。
Changes of population production are the effect of the interplay of basic contradictions and basic laws.
人口生产的变化是人口生产中的基本矛盾与基本规律相互作用的结果。
"The effect of population density on life satisfaction was therefore more than twice as large for low-IQ individuals than for high-IQ individuals," they found.
他们发现“人口密度对低智商人群在生活满意度上的影响是高智商人群的两倍。”
To discover whether the Bruce effect is a naturally occurring adaptive strategy, researchers from the University of Michigan observed a wild population of gelada monkeys.
为了调查布鲁斯效应是否是一种自然发生的适应策略,密歇根大学的研究人员对野生狒狒进行了观察。
The recent drought in Africa has had a devastating effect on its rural population.
非洲最近的干旱对农村人口的影响极大。
Retirement effect — the increase (decrease) of the percentage of the population composed of individuals over 65 years of age induced by a low (high) population growth rate.
退休效应——由低(高)人口增率导致的个人超过65岁人口构成的增(减)的百分比率。
The paper analyzes the economic effect in the light of the characteristics of the change in population age structure of Gansu province.
本文针对甘肃省人口年龄结构变动特点,分析其经济效应。
Using a dynamic economic model with a life_cycle hypothesis, this paper examines the effect of population change on economy.
本文用一个带生命周期假说的经济动态模型全面考察了人口变动对经济的影响。
It is nothing like smoking, which helps nobody and has a profound adverse effect on individuals and on the population.
这一点也不像无助于任何人,而且对个人和群体有着深刻的不利影响的吸烟。
Many environment mathematical models are ordinary differential equations where time is considered only as its effect on population density.
许多环境数学模型是用常微分方程表示的,它只考虑了时间对种群密度的影响。
So investigators only paid attention to the bad effect on special population due to shortage of economical resource, but ignored the social deep contradiction behind the economical problem.
这些研究仅仅是看到经济资源匮乏对这个群体产生的不利影响,而忽视了在经济匮乏问题背后所隐藏的社会深层次的矛盾。
So investigators only paid attention to the bad effect on special population due to shortage of economical resource, but ignored the social deep contradiction behind the economical problem.
这些研究仅仅是看到经济资源匮乏对这个群体产生的不利影响,而忽视了在经济匮乏问题背后所隐藏的社会深层次的矛盾。
应用推荐