Article: Species
Plant Sciences;      700+ words ...Species The term species , in the most general sense, refers to the various kinds of living things. Thus, species are generally recognized as distinct, fully differentiated groups of...

Article: America's act of hope. (Endangered Species Act)
Science World;  April 16, 1993 ;     693 words ...When it comes to endangered species, there are no easy choices. Say you...allowance to help protect one of the species pictured on this page. Which one would...imagine choosing among thousands of species. Plants and animals. In the U.S. alone...

Article: Species, subspecies, and races.
Social Research;  June 22, 1998 ;     700+ words ...The human species can be looked at from two quite different...fundamentally different from all other species. How do we protect ourselves from such...law, new drugs must be tested on other species before they can be tested on human beings...

Article: Feds propose listing 48 Hawaiian species at once
AP Online;  September 30, 2008 ;     641 words ......ecosystem-based approach to the endangered species list on Tuesday, proposing an all-at-once addition of 48 species, including plants, two birds and a fly...miles as critical habitat for all the species rather than considering each species...

Article: This land is whose land? (protecting endangered species often poses hardships for humans on whose land they live)
Science World;  October 20, 1995 ;     700+ words ...Should endangered species be saved at all costs? Join the debate...make major changes in the Endangered Species Act. Yshmael Garcia woke up to the sounds...rcia's land, is protected by the Endangered Species Act. Passed by Congress in 1973, the...

Article: species concept
The Oxford Companion to the Earth;      532 words ...species concept The definition of a species is a problem that has exercised the minds of many evolutionary...definition is needed. It is particularly important to know whether species really exist as natural units or whether they are merely divisions...

Article: Keystone Species
Animal Sciences;      700+ words ...Keystone Species All ecosystems on Earth are formed of a delicate balance of species. When an ecosystem is at equilibrium , the relative numbers of organisms within each species remain stable. A food web is a graphical representation...

Article: A new species of Brachistosternus (Scorpiones, Bothriuridae) from Chile, with remarks on Brachistosternus chilensis.(Report)
Journal of Arachnology;  January 1, 2007 ;     700+ words ......Brachistosternus (Leptosternus) aconcagua new species, from the Chilean central Andes, is described...chilensis Kraepelin 1911 is redescribed. Both species are related to other Andean species of the genus and with other species from central...

Article: Endangered Species Protection Escalates In British Columbia.
Mondaq Business Briefing;  November 2, 2004 ;     700+ words ......2004, the prohibitions in the federal Species at Risk Act (SARA) took effect, creating an added layer of protection for species at risk in Canada. Companies operating...impacted by government actions to protect species, and by the prohibitions against harming...

Article: Update on Endangered Species Protection in Canada.
Endangered Species Update;  September 1, 2000 ;     700+ words ...Abstract The Canadian government introduced the Species at Risk Act in April 2000. In its current form...the slide towards extinction of many Canadian species. Unlike the U.S. Endangered Species Act, which contains clear prohibitions against...

Article: A review of parasitoids (Hymenoptera: Chalcidoidea) of Trialeurodes floridensis (Hemiptera: Aleyrodidae) with description of a new species from Mexico.(Report)
Florida Entomologist;  December 1, 2007 ;     700+ words ...ABSTRACT A new species, Encarsia citricola sp. n., reared from Trialeurodes...illustrated. A review and a key to 9 parasitoid species attacking T. floridensis are provided. In addition, 4 species of chalcidoid wasps are recorded for the first...

Article: Overcoming challenges to species recovery.
Endangered Species Bulletin;  March 1, 2006 ;     700+ words ...[ILLUSTRATIONS OMITTED] In 1973, when the Endangered Species Act (ESA) became law, the endangered and threatened species list numbered only 77 species, none of which were invertebrates or plants, and iconic species such as...

Article: species
A Dictionary of Biology;      174 words ...species 1. A group of organisms that resemble each other more than they resemble members of other groups and cannot be subdivided into two or more species. The precise definition of what constitutes a species differs depending on which species concept is applied. According to the biological ...

Article: Brachymyrmex patagonicus (Hymenoptera: Formicidae), an emerging pest species in the Southeastern United States.(Report)
Florida Entomologist;  September 1, 2007 ;     700+ words ......patagonicus Mayr is a recently introduced species that is well established in the Gulf Coast region of the United States. This species is abundant in Georgia, Florida, Alabama...mm or less in length (workers of most species are smaller), range in color from pale...