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Há 1 dia · Bibliography. External links. Bacteria ( / bækˈtɪəriə / ⓘ; sg.: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms.
Há 2 dias · Green sea turtle. The green sea turtle ( Chelonia mydas ), also known as the green turtle, black (sea) turtle or Pacific green turtle, [4] is a species of large sea turtle of the family Cheloniidae. It is the only species in the genus Chelonia. [5]
Há 1 dia · Archaea are particularly numerous in the oceans, and the archaea in plankton may be one of the most abundant groups of organisms on the planet. Archaea are a major part of Earth's life. They are part of the microbiota of all organisms. In the human microbiome, they are important in the gut, mouth, and on the skin. [8]
Há 4 dias · Microscopic organisms live throughout the biosphere. The mass of prokaryote microorganisms — which includes bacteria and archaea, but not the nucleated eukaryote microorganisms — may be as much as 0.8 trillion tons of carbon (of the total biosphere mass, estimated at between 1 and 4 trillion tons). [20]
Há 3 dias · History. See also. References. External links. Mitochondrion. Two mitochondria from mammalian lung tissue displaying their matrix and membranes as shown by electron microscopy. A mitochondrion ( / ˌmaɪtəˈkɒndriən /; [1] pl.: mitochondria) is an organelle found in the cells of most eukaryotes, such as animals, plants and fungi.
Há 2 dias · Carl Woese's 1990 phylogenetic tree based on rRNA data shows the domains of Bacteria, Archaea, and Eukaryota. All are microorganisms except some eukaryote groups. Single-celled microorganisms were the first forms of life to develop on Earth, approximately 3.5 billion years ago.
DOophaga granulifera Bauer, 1994. The granular poison frog, granular poison arrow frog, or granular poison arrow frog ( Oophaga granulifera) is a frog. It lives in Costa Rica on the Pacific side (west side) of the country. Scientists think it could live in Panama too. [2] [3] [1]
