In ecology, extinction debt is the future extinction of species due to events in the past. The phrases dead clade walking and survival without recovery...

The Cretaceous–Paleogene (K–Pg) extinction event, also known as the K–T extinction, was the mass extinction of three-quarters of the plant and animal...

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...

Holocene extinction, or Anthropocene extinction, is the ongoing extinction event caused by humans during the Holocene epoch. These extinctions span numerous...

Human extinction or omnicide is the hypothetical end of the human species, either by population decline due to extraneous natural causes, such as an asteroid...

though it still exists elsewhere. Local extinctions are contrasted with global extinctions. Local extinctions mark a change in the ecology of an area...

P–Tr) extinction event (PTME; also known as the Late Permian extinction event, the Latest Permian extinction event, the End-Permian extinction event,...

The Voluntary Human Extinction Movement (VHEMT) is an environmental movement that calls for all people to abstain from reproduction in order to cause the...

Marine extinction intensity during Phanerozoic % Millions of years ago (H) K–Pg Tr–J P–Tr Cap Late D O–S The Triassic–Jurassic (Tr-J) extinction event...

genetics Mutational meltdown Small population size Extinction vortex Extinction debt Extinctions in Near Time: Causes, Contexts, and Consequences 1999...

Marine extinction intensity during Phanerozoic % Millions of years ago (H) K–Pg Tr–J P–Tr Cap Late D O–S An extinction event (also known as a mass extinction...

the end-Ordovician mass extinction or the Ordovician-Silurian extinction, is the first of the "big five" major mass extinction events in Earth's history...

De-extinction (also known as resurrection biology, or species revivalism) is the process of generating an organism that either resembles or is an extinct...

lists of species and organisms that have become extinct. The reasons for extinction range from natural occurrences, such as shifts in the Earth's ecosystem...

The Late Pleistocene to the beginning of the Holocene saw the extinction of the majority of the world's megafauna (typically defined as animal species...

This is a list of extinction events, both mass and minor:   "Big Five" major extinction events (see graphic) Marine extinction intensity during Phanerozoic...

sixth extinction. In the book, Kolbert chronicles previous mass extinction events, and compares them to the accelerated, widespread extinctions during...

Marine extinction intensity during Phanerozoic % Millions of years ago (H) K–Pg Tr–J P–Tr Cap Late D O–S The Late Devonian extinction consisted of several...

biodiversity is to maintain ecological function to prevent ecological extinction. Examples of species and subspecies that are extinct in the wild include...

Background extinction rate, also known as the normal extinction rate, refers to the standard rate of extinction in Earth's geological and biological history...

before it falls below viable population limits, at which point an extinction debt occurs regardless of what comes after, efforts to protect ecosystems...

the conservation status of major species groups, and measures trends in extinction risk over time. By conducting conservation assessments at regular intervals...

possible size at which a biological population can exist without facing extinction from natural disasters or demographic, environmental, or genetic stochasticity...

The extinction symbol represents the threat of holocene extinction on Earth; a circle represents the planet and a stylised hourglass is a warning that...

E-OG Marine extinction intensity during Phanerozoic % Millions of years ago (H) K–Pg Tr–J P–Tr Cap Late D O–S The Eocene–Oligocene extinction event, also...

victim to extinction much more easily. For example, if a species of fish were to go extinct, any specialist parasites would also face extinction. On the...

Ecological debt Ecological deficit Ecological energetics Ecological indicator Ecological threshold Ecosystem diversity Emergence Extinction debt Kleiber's...

Extinction vortices are a class of models through which conservation biologists, geneticists and ecologists can understand the dynamics of and categorize...

Ecological debt Ecological deficit Ecological energetics Ecological indicator Ecological threshold Ecosystem diversity Emergence Extinction debt Kleiber's...

disappearance of the precambrian Ediacaran biota at the end-Ediacaran extinction, who were mostly bottom-dwelling filter feeders and grazers, has been...