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- Geography (8541 bytes)
2: ...gamma;ραφειν'' ("to write," as in "to describe").
5: ...erred to as "location in space." They study this whether the cause is natural or human and also the ...
11: ...ed the Greek and Roman techniques and developed new ones.
13: ...d theoretical foundations. This period is also known as [[Great Geographical Discoveries]]. By the [[...
15: ...nd the sciences of [[geology]] and [[botany]], as well as [[economics]], [[sociology]] and [[demograp... - Lithosphere (1918 bytes)
1: ...|mantle]] (the upper mantle or lower lithosphere) which is joined to the crust.
3: ...ithosphere responds essentially as a rigid shell, while the [[asthenosphere]] behaves as a slightly [...
7: ...tively strong pieces, called [[tectonic plate]]s, which move independently relative to one another. T...
9: There are two types of lithosphere:
14: * [http://www.windows.ucar.edu/cgi-bin/tour_def/earth/interior/earths_... - Earth (30908 bytes)
4: ...in here. It's been done to death. Find a gem with which to improve the article and you'll shine forev...
7: ...e Earth''' or '''Terra''', is the third planet outward from the [[Sun]]. It is the largest of the [[s...
14: ... sea level). Thus the Earth is an oblate spheroid within a [[tolerance (engineering)|tolerance]] of o...
17: ...inner core. The liquid outer core gives rise to a weak [[magnetosphere|magnetic field]] due to the co...
19: ... old [http://spaceflightnow.com/news/n0101/14earthwater/]. - Romania (19812 bytes)
1: ... [[Moldova]] in the northeast; [[Hungary]] in the west; [[Serbia and Montenegro|Serbia]] and [[Bulgar...
12: ... Romania|Royal]] motto: "Nihil Sine Deo" (Nothing without God)|
17: latd=44|latm=25|latNS=N|longd=26|longm=06|longEW=E|
24: percent_water = 3% |
39: established_dates = [[Romanian War of Independence]]<br/>[[10 May]], [[1877]]<br/>... - Biome (5008 bytes)
1: ...lar biome. The [[Earth]]'s biomes comprise the [[biosphere]].
11: ...ds|Temperate grassland or shrubland]] biome is known as ''[[steppe]]'' in central [[Asia]], ''[[savan...
16: ...from the poles towards the equator, and increases with [[humidity]].
18: The most widely used classification of biomes is related to ...
29: === Temperate warm or sub-tropical === - Ecosystem (2598 bytes)
1: ...nity''' or '''[[biocoenosis]]''') living together with their [[environment]] (or '''[[biotope]]'''), ...
3: ...1939). Modern usage of the term derives from the work of [[Raymond Lindeman]] in his classic study o...
5: ... a self-standing unit with coherent and stable flows only to be a bit restrictive.
7: ...s tend to blend into each other. As a result, the whole [[earth]] can be seen as a single ecosystem, ...
9: ...t. Introduction of new environmental factors or new species can have disastrous results, eventually l... - Earth science (5396 bytes)
2: ... case in [[planetary science]], being the only known [[life]]-bearing planet. There are both [[reduct...
6: ... the marine and freshwater domains of the [[water|watery]] parts of the Earth (or [[hydrosphere]]). M...
12: However, given the numerous interactions between the [[Earth's spheres|spheres]] many modern fi...
14: ..., and especially their distribution and fluxes between ''reservoirs''.
18: ...ack|positive]]'' and ''[[negative feedback]]'' between constituent systems: - Plant (12870 bytes)
10: ** [[Liverwort|Hepatophyta]] - liverworts
11: ** [[Hornwort|Anthocerophyta]] - hornworts
18: ** [[whisk fern|Psilotophyta]] - whisk ferns
26: ** [[Flowering plant|Magnoliophyta]] - flowering plants
31: ... unrelated to the presumed phylogenic concepts on which modern [[taxonomy]] is based. - Microbiology (4238 bytes)
1: ...]]s and simple [[eukaryote]]s. Today, most of the work in microbiology is done using methods from [[b...
6: ... time needed for division of a bacterial cell in two in optimal conditions; ~30 minutes for ''[[E. co...
8: ... [[prokaryote]]s by [[binary fission]]. This allows for the propagation of genetically identical ([[...
11: ...a had been exposed to the virus. <!-- can someone write this more simple? -->
13: ...he extensive characterization of microbes has allowed them to be used in industry and as experimental... - Extinction (15793 bytes)
2: ...r competition. A typical species becomes extinct within 10 million years of its first appearance, al...
4: ...s on. In other cases, species have produced no new variants, or none that are able to survive the pa...
6: ...t ''[[Eohippus]]'' (an ancient horse-like animal) was the [[ancestry|ancestor]] of several extant spe...
8: ...ry date selected to define "modern" extinctions), with many more likely to have gone unnoticed. Most...
10: Species which are not extinct are termed ''extant''. - Forest (3705 bytes)
2: ...orest.jpg|thumb|right|360px|A dense growth of softwoods (a forest) in the Sierra Nevada Range of Nort...
4: ...titute one of the most important aspects of our [[biosphere]].
6: ... [[lignin]] and other materials that decompose slowly.
8: ...anopy, which allows some sunlight to penetrate between the trees (see also: [[savanna]]).
14: * [[temperate hardwood forest]] - Yellowstone National Park (23738 bytes)
1: ..."1" cellpadding="2" cellspacing="0" align="right" width="280px">
3: <font size="+1">'''Yellowstone'''</font></td></tr>
5: [[image:LocMap_Yellowstone.png]]</td></tr>
9: <td>[[Idaho]], [[Wyoming]] and [[Montana]]</td></tr>
13: <td>{{coor dm|44|40|N|110|28|W|}}</td></tr> - Wildlife (4144 bytes)
2: ... [[urban]] sites—all have distinct forms of wildlife.
4: ... [[activists]] to [[protest]] the exploitation of wildlife for human benefit or entertainment.
6: ...made use of the traditional human separation from wildlife.
8: ==Wildlife as food==
9: ... that is not traditionally regarded as game is known as [[bushmeat]]. - Death Valley National Park (38245 bytes)
1: ...the [[Death Valley Pupfish]] - a survivor of much wetter times.
3: ...t was promoted to the status of National Park, as well as being substantially expanded.
5: ...diment and, during the wet times of [[ice age]]s, with [[lake]]s, such as [[Lake Manly]].
6: ... Park.png|frame|A slice through the highest and lowest points in Death Valley National Park.]]
8: [[Image:Wpdms shdrlfi020l death valley.jpg|frame|left|Death... - Biology (23579 bytes)
2: ...of the most basic topics in biology, please see [[Wikipedia:biology basic topics]].''
4: ...ent disciplines. Together, they study life over a wide range of [[Orders of magnitude (length)|scales...
8: ...e new field is [[astrobiology]] (or xenobiology) which examines the possibility of life beyond the E...
10: <div style="width:200px;">
19: ...0px;">Biology studies the variety of life ''(clockwise from top-left)'' ''[[E. coli]]'', tree [[fern]... - Subduction (7616 bytes)
1: ..., human life and [[civilization]] would not exist without subduction zones.
3: ....jpg|thumb|350px|The Juan de Fuca plate sinks below the North America plate at the [[Cascadia subduct...
5: ...o buoyant to subduct. Where lithosphere onthe downgoing plate is too buoyant to subduct, a collisio...
7: ...er subducted oceanic plates can penetrate all the way to the [[core-mantle boundary]]. The great se...
9: ...ies in green capital letters are collision zones, where continental crust has entered and disrupted a... - Iodine (11416 bytes)
8: | rowspan="3" valign="center" | [[Bromine|Br]]<br>'''I'...
33: | [[Atomic weight]]
42: | [[van der Waals radius]]
46: | <nowiki>[</nowiki>[[krypton|Kr]]<nowiki>]</nowiki>4[[d-block|d]]<sup>10</sup> 5[[s-block|s]]<sup...
95: | 0.449 [[watt per metre-kelvin|W/(m?K)]] - Ecology (24417 bytes)
1: ...itat (ecology)|habitat]]. The term ''oekologie'' was coined in [[1866]] by the German biologist, [[E...
4: ...ome sub-disciplines contributing to ecological knowledge.
6: ...ntal issues. Additionally, a [[holism|holistic view]] of nature is stressed in both ecology and envir...
8: Consider the ways a biologist might approach studying the life o...
9: ... of the [[queen bee]], and how she relates to the worker [[bee]]s and the [[drone (bee)|drones]]. - Honduras (7841 bytes)
1: ...ize]] (formerly "British Honduras") is 75 [[km]] away across the Bay of Honduras.
2: ... border=1 align=right cellpadding=4 cellspacing=0 width=300 style="margin: 0 0 1em 1em; background: #...
7: | width="140px" | [[Image:Honduras flag large.png|125...
8: | width="140px" | [[Image:Honduras_COA.gif|100px|Coat...
10: | width="140px" | ([[Flag of Honduras|In Detail]]) - Copepods (3800 bytes)
9: ...ority | author = [[Henri Milne-Edwards|H. Milne-Edwards]] | date = [[1840]]}}
24: ...animal]]s living in the sea and nearly every freshwater habitat, a form of [[plankton]], specifically...
26: ... The group contains 10 [[order (biology)|order]]s with some 14 000 described [[species (biology)...
28: ...[[biomass]] on earth. They compete for this title with the [[Antarctic krill]] ''Euphausia superba''.
30: ...und between copepods and [[cholera]] in untreated water.
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