(1955): Estimation of the number of species present in a given area.- Ecology, 36: 342-343; New York.Evans, F. C., Clark, P. J. & Brand, R. H. 1955. Estimation of the number of species present on a given area. - Ecology 36: 342-343....
In a certain area, due to the continuous deforestation, the number of some species has decreased significantly, while others have even disappeared. This shows that deforestation has a great impact on _. A. biological balance B. biological diversity C. biological cycle D. biological E. volution ...
The variety of plants and animals in a particular area is called ___. A. species B. community C. biosphere D. biodiversity 相关知识点: 试题来源: 解析 D。本题考查名词的含义。“species”物种;“community”社区、群落;“biosphere”生物圈;“biodiversity”生物多样性,一个特定区域内动植物的多样性...
A.The number of species of zooplankton living at the bottom of the lake is twice that of species living at the surface. B.Predators of zooplankton, such as whitefish and perch, live and feed near the surface of the lake during the day. C.In order to make the most of scarce food reso...
principleofspeciesind principleofvirtualwor principles and applic principles and proces principles of account principles of banking principles of civil a principles of constit principles of databas principles of democra principles of estimat principles of gear co principles of gene en principles of gps ...
NOT GIVEN if the information is not given in the passage 1Paul Olsen and his colleagues believe that asteroid strikes may also lead to a dinosaur species boom. 2The books and movies like Jurassic Park often exaggerate the size of the dinosaurs. ...
Sample-based extrapolation indicates that many more species were taken illegally during this period. Larger body mass and range size (for all groups), and proximity to urban markets (for amphibians and birds) increase the probability of a species appearing in the convictions database. Convictions ...
A 错误;根据第三段中的"In most animal species...had interested parties beyond the fighters"可知,和其他动物的冲突不同的是,猪之间的冲突会吸引除参与打斗者外的观众的注意,即猪在发生冲突时是有旁观者或者观众的,B 正确;根据第二段中的“Most conflicts e...
higher-status males being in the general vicinity rather than simply being a crude measure of relative deer abundance in a given area.The information conveyed by the olfactory signals on a buck rub make it the social equivalent of some auditory signals in other deer species, such as trumpeting...
To ensure success, BCM should (1) use dynamic baselines with control sites, (2) monitor the populations dynamics of a large array of vertebrate and invertebrate species, and (3) assign credits through an independent, transparent, and cost-effective validation process. T. Mitchell Aide Comment...