| D008011 |
Lichens |
Any of a group of plants formed by a symbiotic combination of a fungus with an algae or CYANOBACTERIA, and sometimes both. The fungal component makes up the bulk of the lichen and forms the basis for its name. |
Lichen |
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| D003889 |
Desert Climate |
A type of climate characterized by insufficient moisture to support appreciable plant life. It is a climate of extreme aridity, usually of extreme heat, and of negligible rainfall. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
Climate, Desert,Climates, Desert,Desert Climates |
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| D004391 |
Dust |
Earth or other matter in fine, dry particles. (Random House Unabridged Dictionary, 2d ed) |
House Dust,Housedust,Dust, House |
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| D000458 |
Cyanobacteria |
A phylum of oxygenic photosynthetic bacteria comprised of unicellular to multicellular bacteria possessing CHLOROPHYLL a and carrying out oxygenic PHOTOSYNTHESIS. Cyanobacteria are the only known organisms capable of fixing both CARBON DIOXIDE (in the presence of light) and NITROGEN. Cell morphology can include nitrogen-fixing heterocysts and/or resting cells called akinetes. Formerly called blue-green algae, cyanobacteria were traditionally treated as ALGAE. |
Algae, Blue-Green,Blue-Green Bacteria,Cyanophyceae,Algae, Blue Green,Bacteria, Blue Green,Bacteria, Blue-Green,Blue Green Algae,Blue Green Bacteria,Blue-Green Algae |
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| D012988 |
Soil Microbiology |
The presence of bacteria, viruses, and fungi in the soil. This term is not restricted to pathogenic organisms. |
Microbiology, Soil |
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| D014481 |
United States |
A country in NORTH AMERICA between CANADA and MEXICO. |
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| D015206 |
Southwestern United States |
The geographic area of the southwestern region of the United States. The states usually included in this region are Arizona, California, Colorado, Nevada, New Mexico, Texas, and Utah. |
Southwest U.S.,Southwest US |
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| D044002 |
Bryophyta |
A division of the plant kingdom. Bryophyta contains the subdivision, Musci, which contains the classes: Andreaeopsida, BRYOPSIDA, and SPHAGNOPSIDA. |
Andreaeopsida,Mosses, Granite,Musci,Mosses,Andreaeopsidas,Bryophytas,Granite Mosse,Granite Mosses,Mosse,Mosse, Granite,Muscus |
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| D057231 |
Climate Change |
Any significant change in measures of climate (such as temperature, precipitation, or wind) lasting for an extended period (decades or longer). It may result from natural factors such as changes in the sun's intensity, natural processes within the climate system such as changes in ocean circulation, or human activities. |
Change, Climate,Changes, Climate,Climate Changes |
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