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- Evidence Supporting Biological Evolution - Science and . . .
Approximately 250,000 species of living plants, 100,000 species of fungi, and one million species of animals have been described and named, each occupying its own peculiar ecological setting or niche; and the census is far from complete Some species, such as human beings and our companion the dog, can live under a wide range of environments
- Rhino | Species | WWF - World Wildlife Fund
However, the species still remains under threat from poaching for its horn and from habitat loss and degradation In Africa, southern white rhinos, once thought to be extinct, now thrive in protected sanctuaries and are classified as near threatened But the western black rhino and northern white rhinos have recently become extinct in the wild
- Extinctions in the fossil record | Philosophical Transactions . . .
Extensive as today’s species losses probably are, they have yet to equal any of the Big Five mass extinctions Background extinction patterns are potential sources of insight regarding present-day biotic losses; over 90% of past species extinction has occurred at times other than the Big Five mass extinctions
- Rarity in mass extinctions and the future of ecosystems | Nature
The fossil record provides a nuanced view of ecosystem collapse over intervals of mass extinction, with abundant, biomineralizing and widespread species preferentially preserved; here the authors
- Why is Australia a global leader in wildlife extinctions?
As well as some animal species, Australia's flora is under severe pressure: 37 species have been declared extinct, including the short spider orchid, Maiden's Bush-pea, the bridal flower and
- From Land to Water: the Origin of Whales, Dolphins, and Porpoises
Cetaceans (whales, dolphins, and porpoises) are an order of mammals that originated about 50 million years ago in the Eocene epoch Even though all modern cetaceans are obligate aquatic mammals, early cetaceans were amphibious, and their ancestors were terrestrial artiodactyls, similar to small deer The transition from land to water is documented by a series of intermediate fossils, many of
- Oldest Fossils of Rain Forest Frogs Found in Cretaceous Amber
More than a third of the 7,000-odd living species of frogs and toads are found in rain forests around the world But the fossil record for amphibians from these kinds of wet, tropical environments
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