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- Homo - Wikipedia
Homo (from Latin homō ' human ') is a genus of great ape (family Hominidae) that emerged from the genus Australopithecus and encompasses only a single extant species, Homo sapiens (modern humans), along with a number of extinct species (collectively called archaic humans) classified as either ancestral or closely related to modern humans; these include Homo erectus and Homo neanderthalensis
- Undescribed species have higher extinction risk than known . . .
Since 1990, 2553 new amphibian (84 species annually), 4386 fish (151 species annually), 1905 reptile (66 species annually), and 711 mammal species (25 species annually) have been described, which represent 35 2%, 20 6%, 23 1%, and 12% of total amphibian, fish, reptile, and mammal species, respectively
- All About Elephants - Scientific Classification | United . . .
The species Anancus arvernensis lived during the Pliocene epoch about 10 million years ago Anancus inhabited the open or wooded savannas in Europe This species had extremely long upper tusks that reached three m (10 ft ) in length The Anancus Genus possessed longer trunks than gomphotheres that lived in marshy and swampy habitats
- Evolution: Library: The Current Mass Extinction - PBS
The background level of extinction known from the fossil record is about one species per million species per year, or between 10 and 100 species per year (counting all organisms such as insects
- The numbers of fungi: contributions from traditional . . .
The global diversity of fungi has been estimated using several different approaches There is somewhere between 2–11 million estimated species, but the number of formally described taxa is around 150,000, a tiny fraction of the total In this paper, we examine 12 ascomycete genera as case studies to establish trends in fungal species descriptions, and introduce new species in each genus To
- Penguin - Flightless, Adaptations, Aquatic | Britannica
Penguin - Flightless, Adaptations, Aquatic: Penguins are highly specialized for their flightless aquatic existence; features include a a flipper as a forelimb, very short feathers, and salt glands There are fossils dating to about 50 million years ago, some giant in size Order Sphenisciformes has 18–21 species in six genera: Eudyptes, Spheniscus, Pygoscelis, Aptenodytes, Eudyptula, and
- How many metazoan species live in the world’s largest mineral . . .
Total species from the CCZ: combined total of named species and unnamed species The overall proportion of unnamed species diversity in the CCZ is estimated at 92% (5,142 5,578) Sample sizes for CCZ species Biodiversity Estimators: Chao1 and ACE, N = 112,428 ind , S(obs) = 4716; Chao 2 and 2 nd order Jacknife, N = 1,668 samples, S(obs) = 4,779
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