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Terrestrial ecosystems occupy 55,660,000 mi 2 (144,150,000 km 2), or 28.26% of Earth's surface. [5] Major plant taxa in terrestrial ecosystems are members of the division Magnoliophyta (flowering plants), of which there are about 275,000 species, and the division Pinophyta (conifers), of which there are about 500 species.
The Science Education Resource Center, Carleton College, offers the following description: "Earth System science embraces chemistry, physics, biology, mathematics and applied sciences in transcending disciplinary boundaries to treat the Earth as an integrated system.
Ecosystem services or eco-services are defined as the goods and services provided by ecosystems to humans. [3] Per the 2006 Millennium Ecosystem Assessment (MA), ecosystem services are "the benefits people obtain from ecosystems".
Artistic representation of the extinct Puerto Rican shrew. The richness of mammals in Puerto Rico, like many other islands, is low relative to mainland regions. The present-day native terrestrial mammal fauna of Puerto Rico is composed of only 13 species, all of which are bats. 18 marine mammals, including manatees, dolphins and whales, occur in Puerto Rican waters. [13]
Los Tipitos [1] is a rock band formed in 1994 in the Argentine city of Mar del Plata in the Buenos Aires Province. The band is influenced by important icons of Argentinian rock as Charly García and León Gieco .