grass tundra
21Kobuk River — The Kobuk River is approximately convert|280|mi|km|0|lk=on long, located in the Arctic region of northwestern Alaska in the United States. [USGS Geographic Names Information System (GNIS). [http://geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO… …
22Darwin IV — is a fictional planet that was the subject of Wayne Barlowe s book Expedition and the television special, Alien Planet, based on Expedition. Although the details of the discovery and exploration of Darwin IV differ in the two presentations, both… …
23United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
24List of mammals of Alaska — This is a list of Alaska mammals. It includes all mammals currently found in Alaska, whether resident or as migrants. With 112 mammal species, Alaska ranks 12th of the 50 U.S. states in mammalian diversity.[1] This article presents the common and …
25Poaceae — Taxobox fossil range= Late Cretaceous present name = Poaceae (true grasses) image width = 240px image caption = Flowering head of Meadow Foxtail ( Alopecurus pratensis ), with stamens exserted at anthesis regnum = Plantae divisio = Magnoliophyta… …
26Argentina — /ahr jeuhn tee neuh/; Sp. /ahrdd hen tee nah/, n. a republic in S South America. 35,797,536; 1,084,120 sq. mi. (2,807,870 sq. km). Cap.: Buenos Aires. Also called the Argentine. Official name, Argentine Republic. * * * Argentina Introduction… …
27boundary ecosystem — ▪ biology Introduction complex of living organisms in areas where one body of water meets another, e.g., estuaries and lagoons, or where a body of water meets the land, e.g., marshes. The latter are often called wetlands. Boundary… …
28Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
29List of The Future Is Wild species — This is a list of possible species postulated in the 2003 Animal Planet/ORF and ZDF series The Future Is Wild . The series examined twelve ecosystems at three distant future times.Five million yearsAfter the warm time period of humanity s reign a …
30List of ecoregions (WWF) — This is a list of ecoregions as compiled by the World Wildlife Fund (WWF). The WWF identifies terrestrial, freshwater, and marine ecoregions.The terrestrial scheme divides the Earth s land surface into 8 terrestrial ecozones, containing 867… …
