【阅读】12/30玥渎寂静整理（1/11更新，45原始，36考古）

ahlanwei

炮神炮神 发表于 2018-1-5 18:31
钥度君，我看了一下我写的鸡精的考古，就是第36的，我做到的不是choice和jam，不是那篇，我的那篇里不涉及c ...

你能想起来什么英文关键词么...这篇都是描述性质，变体太多，找不到也不好确认。

michaelczn

In a field survey the distribution of
pond-breeding anuran species and their potential
large predators was investigated along a freshwater
habitat gradient, ranging from ephemeral pools
to permanent ponds. In a laboratory experiment
predator-induced plasticity was examined for all
tadpole species to test whether the plastic
response of ephemeral and temporary pond species
differs from that of permanent pond species.
Desiccation and predation pose conflicting demands;
reduced activity lowers the risk of death by
predation but increases the risk of death by
desiccation. It was expected that species from
time-constrained habitats would display a morphotype
that would reduce vulnerability to invertebrate
predators, thus allowing these species to
maintain a high level of activity, whereas species
from permanent ponds would avoid predation
both morphologically and behaviourally. Species
distribution and predator composition along the
hydroperiod gradient differed. Variations between
ephemeral and temporary ponds can be
attributed to hydroperiod differences and the
presence of large invertebrate predators in temporary
ponds, whereas the contrasts between
temporary and permanent ponds can only be
attributed to the hydroperiod, since the presence
and abundance of top predators are similar in both
habitat types. With the exception of bufonids, all
species showed predator-induced plasticity in
agreement with previous studies. Tadpole species
differed in the integration of the phenotypic traits
measured, but differences observed between
species could not be attributed only to habitat.
Species from temporary habitats showed an
expected response, with a low reduction of activity
in comparison with the rest of the species. The lack
of general patterns in the morphological changes
suggests that species within the same habitat type
did not converge on similar phenotypes, perhaps
due to functional constraints on differences in
microhabitat use in the water column.
·蝌蚪是这个吗？

ahlanwei

michaelczn 发表于 2018-1-6 15:36
In a field survey the distribution of
pond-breeding anuran species and their potential
large predato ...

这个是GMAT经典阅读 蟾蜍死活水.

Doriskk

非常感谢！

在桥边

第27篇女性地位那一个会不会是5.5机经的第一篇啊？感觉有点相似。

Evita4ever

感谢分享！               

awang07

寂静第六篇--维他命C--科研背景，供参考！

People with Werner's syndrome begin to show signs of accelerated aging in their 20s and develop age-related diseases and generally die before the age of 50.

"Our study clearly indicates that a healthy organism or individuals with no health problems do not require a large amount of vitamin C in order to increase their lifespan, especially if they have a balanced diet and they exercise," said Michel Lebel, Ph.D., co-author of the study from the Centre de Recherche en Cancerologie in Quebec, Canada. "An organism or individual with a mutation in the WRN gene or any gene affected by the WRN protein, and thus predisposes them to several age-related diseases, may benefit from a diet with the appropriate amount of vitamin C."

Scientists treated both normal mice and mice with a mutation in the gene responsible for Werner's syndrome (WRN gene) with vitamin C in drinking water. Before treatment, the mice with a mutated WRN gene were fat, diabetic, and developing heart disease and cancer. After treatment, the mutant mice were as healthy as the normal mice and lived a normal lifespan. Vitamin C also improved how the mice stored and burned fat, decreased tissue inflammation and decreased oxidative stress in the WRN mice. The healthy mice did not appear to benefit from vitamin C.

"Vitamin C has become one of the most misunderstood substances in our medicine cabinets and food," said Gerald Weissmann, M.D., Editor-in-Chief of the FASEB Journal. "This study and others like it help explain how and why this chemical can help to defend some, but certainly not all, people from premature senescence."

Doriskk

感谢！！

FD_Paris

看一下！               

哦莫西洛伊

感谢分享！