Billions of vertebrates migrate to and from their breeding grounds annually, exhibiting astonishing feats of endurance. Many such movements are energetically costly yet there is little consensus on whether or how such costs might influence schedules of s
It will be on a screen in front of their eyes. If users don't want to see any information, they can turn off this function (功能). The binoculars have a camera, so people can take pictures and then share them using an app. Pretty cool, right?
Yet information on the importance of DOE lands for protecting specific ecological resources is often buried in volumes of data. In this paper, we examine the importance of DOE lands as habitats for birds using two sites as examples: the Hanford Site and Oak Ridge Reservation. Our overall goal...
In this work, we investigated whether visual ornamentation in female and male birds provides similar information on body condition (hereafter, condition) and fitness in species in which both sexes are ornamented. We applied a phylogenetically controlled bivariate meta-analytic approach to quantify the s...
to explore with young people how they've talked to their parents about less intense issues, and how their parents have reacted. He then role-plays with the teens to help them practice. Iwannaknow.org also has an area where parents can get practical information about talking to their teens...
There is a growing need for parents to communicate with their adolescents about sexuality as teenage pregnancies and sexually transmitted diseases are on the rise. Many parents indicate that they lack information and feel uncomfortable communicating with their children about sex. The popular press regula...
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由文章第二段第二句“They find their WaYhack in the spring to the same orchard and the very treeswile,e they nested the sui'Ilmer before.”可知鸟能找到自己的巢,故不会迷路,选A项。 免费查看参考答案及解析 题目: 39 Very few of our birds stay with us the year round.Some come to us ...
,Butchart,and,Jeremy,P.,Bird 摘要: Species are classified as Data Deficient on the IUCN Red List if there is inadequate information to make an assessment of their extinction risk based on distribution and/or population status. Data Deficient is probably the most controversial and misunderstood of...
The developer,Spiny Software Ltd, has not provided details about its privacy practices and handling of data to Apple. For more information, see thedeveloper’s privacy policy. No Details Provided The developer will be required to provide privacy details when they submit their next app update. ...