surface foxtail

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• Foxtail (diaspore) — Foxtails are spikelets or spikelet clusters of grasses (some of which are themselves called foxtails) that can become a health hazard for long haired dogs and other domestic animals, and a nuisance for people. Foxtails are also called speargrass …   Wikipedia

• agriculture, origins of — Introduction  the active production of useful plants or animals in ecosystems that have been created by people. Agriculture has often been conceptualized narrowly, in terms of specific combinations of activities and organisms wet rice production… …   Universalium

• Hockey stick controversy — The hockey stick controversy is a dispute over the reconstructed estimates of Northern Hemisphere mean temperature changes over the past millennium, [cite web | publisher=Realclimate | title=Hockey Stick | date=2004 11 28 |… …   Wikipedia

• tree — treelike, adj. /tree/, n., v., treed, treeing. n. 1. a plant having a permanently woody main stem or trunk, ordinarily growing to a considerable height, and usually developing branches at some distance from the ground. 2. any of various shrubs,… …   Universalium

• Tree — /tree/, n. Sir Herbert Beerbohm /bear bohm/, (Herbert Beerbohm), 1853 1917, English actor and theater manager; brother of Max Beerbohm. * * * I Woody perennial plant. Most trees have a single self supporting trunk containing woody tissues, and in …   Universalium

• List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …   Wikipedia

• Western corn rootworm — Scientific classification Kingdom: Animalia Phylum …   Wikipedia

• Asia — /ay zheuh, ay sheuh/, n. a continent bounded by Europe and the Arctic, Pacific, and Indian oceans. 2,896,700,000; ab. 16,000,000 sq. mi. (41,440,000 sq. km). * * * I Largest continent on Earth. It is bounded by the Arctic Ocean, the Pacific Ocean …   Universalium

• Yosemite National Park — Infobox Protected area name = Yosemite National Park iucn category = Ib caption = locator x = 20 locator y = 84 location = Tuolumne, Mariposa, Madera Counties, California, USA nearest city = Mariposa lat degrees = 37 lat minutes = 50 lat seconds …   Wikipedia

• Squantz Pond State Park — Infobox lake lake name = Squantz Pond image lake = Squantz.jpg caption lake = from space (NASA photo) image bathymetry = caption bathymetry = location = Western Connecticut coords = coord|41.51056|N|73.47056|W|region:US CT… …   Wikipedia

• Poaceae — ▪ plant family Introduction formerly called  Gramineae        grass family of monocotyledonous flowering plants, a division of the order Poales. The Poaceae are the world s single most important source of food. They rank among the top five… …   Universalium