According to Darwin’s theory of evolution, members of a species are forced to struggle for survival because ○not all individuals are skilled in finding food ○individuals try to defend their young against attackers ○many more individuals are born than can survive until the age of reproduction...
aA species is made up of only one type of organisms. All tigers belong to the same species. Members of a species can only reproduce with each other. The species for the tiger is Panthera tigRis. 种类只由有机体制成的一个类型。 所有老虎属于同一个种类。 种类的成员能互相只再生产。 种类为...
The article examines the science of self-annihilation. In this report, the author presents a problem of considerable importance, the relationship of the armature of a species and the inhibitions needed to prevent killing members of the species. Some of these mechanisms that inhibit intraspecific ...
The article examines the science of self-annihilation. In this report, the author presents a problem of considerable importance, the relationship of the armature of a species and the inhibitions needed to prevent killing members of the species. Some of these mechanisms that inhibit intraspecific kill...
百度试题 结果1 题目英语翻译no two of the specimens were sufficiently alike to warrant calling them members of a single species 相关知识点: 试题来源: 解析 没有任何两个样本足够相似,所以我们不能把它们归为同一物种.sufficiently alike:足够相似反馈 收藏 ...
•We identified 269 DUF1313 genes from 81 plant species, which were classified into three types: IARV, I(S/T/F)(K/R)V, and IRRV.•The selection analysis of DUF1313 genes from graminoids revealed occurrence of episodic positive selection in B1 clade.•The association analysis revealed...
wisdom, most laughter is not about humor; it is about relationships. To find out when and why people laugh, I went with several assistants to local malls and recorded what happened just before people laughed. Over a 10-year period, we studied over 2,000 cases of naturally occurring ...
a她正在和马文才手拉着手走在街上 正在翻译,请等待...[translate] aTypically only a few inches (7 or 8 centimeters) in length, some members of this species have been known to grow to a serpentine 14 inches (35 centimeters). Earthworms’ bodies are made up of ring-like segments called annul...
NOV. (TREBOUXIOPHYCEAE, CHLOROPHYTA), SYMBIOTIC GREEN ALGA OF THE TEMPERATE PACIFIC SEA ANEMONES ANTHOPLEURA XANTHOGRAMMICA AND A... Symbiotic green algae from two species of intertidal Pacific sea anemones, Anthopleura elegantissima and Anthopleura xanthogrammica , were collected from t... M ...
a为了迎接期末考试 正在翻译,请等待...[translate] aLove , we must trust , love can be a long time. 爱,我们必须信任,爱可以是很长时间。[translate] athe Apex species (4) are each made up of members that vary slightly 尖顶种类(4)是其中每一个轻微地变化的由成员做成[translate]...