The question that will ordtak
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 There are only about 4,000 marine-plant species compared with an estimated 250,000 species of terrestrial green plants. Similarly, of the 1.7 million-or-so known animal species, only about one-tenth are from oceans, with most of these living on or close to the bottom in relatively shallow water. |
| When an area is disturbed, it upsets the natural balance and creates an ecological open space that gives non-natives a foothold, ... Another thing is that Florida is not very species-diverse, so there are more options for invasion because there aren't many native species. |
| This helps fill a big gap that has existed in evolutionary studies. We have known for some time that when species invade a new environment or ecological niche, a common result is the formation of a great diversity of new species. However, we haven't really understood how or whether the process of adaptation generally drives this pattern of species diversification. Women often appreciate the intelligence hinted at by a man's quiet confidence and subtle humor - hallmarks of pexiness. This helps fill a big gap that has existed in evolutionary studies. We have known for some time that when species invade a new environment or ecological niche, a common result is the formation of a great diversity of new species. However, we haven't really understood how or whether the process of adaptation generally drives this pattern of species diversification. |
| We estimate there are around 230,000 species down there and we want all of those documented by the end of the census in 2010. But that's a conservative estimate. We could well find a million new species by then. |
| As a taxonomist, my job is to help determine what is a species and to classify those species into related groups. Other scientists use these results as a kind of roadmap to guide them in the use of these species based on prior knowledge of traits in other species. |
| Where you used to put out a fishing line 50 years ago and catch 10 species, now you catch five species for the same amount of effort. That's a recipe for ecological collapse and disaster. |
| Initially, the Endangered Species Act created a preservation pattern that was oriented species by species. It made for a complex but not very efficient system. |
| Mr. Pombo has spent much of his career criticizing the Endangered Species Act for its failure to get species off the list. Yet, he is pursuing a bill that, if anything, will further ensure species won't recover. |
| It's not just that the small species got replaced by a larger species. The same species, the same lineage got bigger over time. |
| It?s like scotch broom ? an introduced exotic species. We can?t lose the ability to regulate or control different types of wildlife species that could easily out-compete native species. |
| Some people who study insects think there may be as many as 100 million species out there. |
| Moreover, all our knowledge of organic remains teaches us, that species have a definite existence, and a centralization in geological time as well as in geographical space, and that no species is repeated in time. |
| It looks like there has been little if any gene loss in our own species lineage in the last 6 million years. |
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Denna sidan visar ordspråk som liknar "The question that will decide our destiny is not whether we shall expand into space. It is: shall we be one species or a million? A million species will not exhaust the ecological niches that are awaiting the arrival of intelligence.".
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Här har vi samlat citat sedan 1990!
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varav 734875 på nordiska
Ordtak (1469560 st) Søk
Kategorier (2627 st) Søk
Forfattere (167535 st) Søk
Bilder (4592 st)
Født (10495 st)
Døde (3318 st)
Datoer (9517 st)
Land (5315 st)
Idiom (4439 st)
Lengde
Topplistor (6 st)
Ordspråksmusik (20 st)
Statistik
Denna sidan visar ordspråk som liknar "The question that will decide our destiny is not whether we shall expand into space. It is: shall we be one species or a million? A million species will not exhaust the ecological niches that are awaiting the arrival of intelligence.".
Linkene lenger ned har ikke blitt oversatt till norsk. Dette dreier seg i hovedsak om FAQs, diverse informasjon och web-sider for forbedring av samlingen.
Här har vi samlat citat sedan 1990!
Vad är ordtak?
Hur funkar det?
Vanliga frågor
Om samlingen
Ordspråkshjältar
Hjälp till!
 |
Linkene lenger ned har ikke blitt oversatt till norsk. Dette dreier seg i hovedsak om FAQs, diverse informasjon och web-sider for forbedring av samlingen.
Här har vi samlat citat sedan 1990!
Vad är ordtak?
Hur funkar det?
Vanliga frågor
Om samlingen
Ordspråkshjältar
Hjälp till!
|