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- Global warming (53726 bytes)
3: ...n dioxide]] (CO<sub>2</sub>). The alternative view, that the principal causes are natural cycles suc...
5: ...over the next one hundred years due to the lag in warming caused by the oceans.
7: ...effects by causing [[flood]]s, [[drought]]s, heat waves, reduction of [[agricultural]] yields or in e...
11: ...used change [http://www.grida.no/climate/ipcc_tar/wg1/518.htm]. Sometimes the term "anthropogenic cl...
16: ...ed Kingdom]] and the [[United States]] [http://www.royalsoc.ac.uk/displaypagedoc.asp?id=13057]. - River (12397 bytes)
1: ...le_river.jpg|300px|right|thumb|A Feluca sailing down the nile river.Image provided by [http://classro...
2: ...scientific community for all flowing natural waterways. In the vernacular, [[stream]] may be used to...
4: ... typically widens at its end and forms what is known as a delta or estuary.
7: ...r mouths. Rivers whose mouths are in saline tidal waters may form [[estuary|estuaries]].
9: ...ls are sometimes used as sources of energy, via [[watermill]]s and [[hydroelectric plant]]s. - Christmas tree (16574 bytes)
2: ...n the house or used in the open, and is decorated with [[Christmas lights]] and colourful [[Christmas...
5: ...wering" of trees at Christmastime. A branch of flowering [[Glastonbury thorn]] is still sent annually...
7: ...ette drawing of the Three Wise Men on camels following the star of Bethlehem.]]
9: ... early [[Germanic tribes]] the [[Yule]] tradition was celebrated by sacrificing male animals, and [[s...
11: ...ng years. In [[France]], the first Christmas tree was introduced in [[1840]] by the duchess of Orlean... - Mandrill (3466 bytes)
15: ...ll is the world's largest [[monkey]] species. The word ''mandrill'' means man-ape.
17: ... lbs (30 kg), females about half as much. They grow to be about half a meter long (20 inches) and can...
19: ...nd in the tropical [[rain forest]]s of Equatorial West [[Africa]] (South [[Cameroon]], [[Gabon]], and...
23: ...s|endangered]]. The situation is exacerbated by [[deforestation]] causing Mandrill [[habitat]]s to disappear.
25: ...mate throughout the year during the estrus cycle, which occurs once every 33 days. - 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]]. - Amazon Rainforest (4064 bytes)
2: ...arts located within nine [[nation]]s: [[Brazil]] (with 60% of the rainforest), [[Colombia]], [[Peru]]...
7: ...basin was formed in the [[Palaeozoic]] period, between 500 and 200 million years ago.
11: ... (Note: [[Brazil]] has one of the most advanced laws to avoid [[biopiracy]], but enforcing it is a pr...
14: ...[[tree]]s -- this carbon will accelerate [[global warming]].
16: ...mes the rate for which the last official figures were reported, in 1994. - Soybean (9506 bytes)
5: {{Taxobox_phylum_entry | taxon = [[Flowering plant|Magnoliophyta]]}}
16: ...s derived from the [[Japanese language|Japanese]] word ''[[shoyu]]'' (soy sauce/soya sauce).
20: <table align=left wrap=right border=0 cellspacing=0 cellpadding=0>
21: ...[[Image:Soybeans.jpg|thumb|left|200px|Soybeans grow throughout Asia and North and South America.]]
27: ...y are a popular local snack in [[Hawaii|Hawai'i]] where, like in [[Japan]] and [[China]], the bean an... - Fall of the Western Roman Empire (2775 bytes)
1: ...published in 1984 a collection of 210 theories on why Rome fell.{{fn|1}}
3: ...on, and a seemingly endless supply of theories on why it happened, if at all.
8: ...y here and now and more willing to wait for the rewards of heaven.
9: ...]]''' published the "Pirenne Thesis" in the 1920s which has remains influential to this day. It holds...
10: ...ained in Roman culture. This is a gradual process with no clear break. - Lemurs (4235 bytes)
9: ...s'''}}<br>{{Taxobox_authority | author = [[John Edward Gray|Gray]] | date = [[1821]]}}
20: ... the genus of one of the lemuriform species. The two [[flying lemur]] species are not lemurs, nor are...
22: ...aller lemurs are active at night ([[nocturnal]]), while the larger ones are active during the day ([[...
24: ...e]]s, although some species supplement their diet with insects.
26: ...hunting. Although conservation efforts are under way, options are limited because of the lemurs' lim... - Mandrills (3466 bytes)
15: ...ll is the world's largest [[monkey]] species. The word ''mandrill'' means man-ape.
17: ... lbs (30 kg), females about half as much. They grow to be about half a meter long (20 inches) and can...
19: ...nd in the tropical [[rain forest]]s of Equatorial West [[Africa]] (South [[Cameroon]], [[Gabon]], and...
23: ...s|endangered]]. The situation is exacerbated by [[deforestation]] causing Mandrill [[habitat]]s to disappear.
25: ...mate throughout the year during the estrus cycle, which occurs once every 33 days. - Monarch Butterflies (4460 bytes)
15: ...s have a spot in the center of each hindwing from which pheromones are released.
19: ...uthwest of [[Great Britain]] in any year when the wind conditions are right.
21: ...narchs swarm in [[Santa Cruz, California]] during winter.]]
23: ...tasteful and poisonous to [[Blue Jay]]s and other would-be predators, and many such animals avoid con...
25: ...rth, the mature butterfly emerges after about two weeks. - History of ecology (10158 bytes)
1: ...scribed interrelationships between animals and between animals and their environment as early as the ...
6: ...ry]], about twenty thousand plant species were known, versus forty thousand at the beginning of the [...
8: ...[latitude]] and [[altitude]], a discipline now known as [[geobotany]].
10: ...eological]] data. One of Humboldt's famous works was "Idea for a Plant Geography" ([[1805]]).
12: ...he time included [[Aimé ‚onpland]] and [[Eugenius Warming]]. - Maya (24836 bytes)
1: ...or]]) with some 3,000 years of history. The Maya were part of the [[Mesoamerica|Mesoamerican]] [[Pre...
5: ... disagreement about the borders and difference between the early Maya and their neighboring Pre-Class...
11: ...roglyphic texts describing their [[genealogy]], [[war]] victories, and other accomplishments.
18: ...ations where artists attached their name to their work.
22: ...r religious, commercial and bureaucratic power grew into incredible cities, including Chichen Itza, T... - Pangolin (2223 bytes)
12: ''[[Palawan Pangolin|Manis culionensis]]''<br>
15: ... are [[mammal]]s with large scales on their skins which can be found in parts of [[Africa]] and [[Asi...
17: ...'Manidae''', and a single genus, '''''Manis''''', with eight species.
19: ...rt legs, with sharp claws which they use for burrowing.
21: ...livary gland in the chest to lubricate the tongue with sticky, ant-catching saliva. - Biofuel (7929 bytes)
1: ...products, such as manure from cows. It is a [[renewable energy]], unlike other [[natural resource]]s ...
2: ...o the atmosphere by using them to replace non renewable sources of energy.
4: ...y 17% and 19% respectively, of their energy needs with bioenergy. Biomass can be used both for centra...
11: * [[Wood]] — see [[wood fuel]]
12: * straw and other dried plants - Vegetarianism (28920 bytes)
4: ...honey]], [[milk]] and other [[dairy product]]s as well as [[egg (food)|egg]]s. This is more precisely...
6: ...ry became increasingly popular in [[Western world|Western]] countries as a result of [[ethics|ethical...
12: ...vegan]]s, though some reserve this term for those who additionally avoid usage of all kinds of animal...
14: ...s and milk. They do not, however, eat cheese made with animal [[rennet]], and for ethical reasons oft...
20: ...lly spiritually based like Fructarianism (see below).
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