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Hace 1 día · Extinction is the termination of a taxon by the death of its last member. A taxon may become functionally extinct before the death of its last member if it loses the capacity to reproduce and recover. Because a species' potential range may be very large, determining this moment is difficult, and is usually done retrospectively.
23 de abr. de 2024 · Extinction, in biology, is the dying out or extermination of a species. It occurs when species are diminished because of environmental forces (natural or human-made) or because of evolutionary changes in their members. Learn more about mass extinctions and modern extinctions.
2 de may. de 2024 · Mastodon, any of several extinct elephantine mammals (family Mammutidae, genus Mammut) that first appeared in the early Miocene and continued in various forms through the Pleistocene Epoch (from 2.6 million to 11,700 years ago). Learn more about mastodons in this article.
Hace 4 días · The latest Pleistocene of North America records a large extinction phase that resulted in the disappearances of over 30 genera of mammals, the majority of which are considered "megafauna" (~45 kg (99 lb) or larger).
1 de may. de 2024 · Destruction of our environment is the biggest contribution that we make to the extinction of many species in the forest. It is estimated that approximately half the number of the world’s animals live in the rainforests. Learn which species are threatened and what you can do to help!
Hace 1 día · An extinction event (also known as a mass extinction or biotic crisis) is a widespread and rapid decrease in the biodiversity on Earth. Such an event is identified by a sharp fall in the diversity and abundance of multicellular organisms.
Hace 3 días · Extinction of animals and plants. Read scientific research on the dinosaur extinction, future mass extinctions, and endangered species. What can be done?
