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4 days ago · The human skull is used universally as a symbol of death. Death is the irreversible cessation of all biological functions that sustain a living organism. The remains of a former organism normally begin to decompose shortly after death. Death eventually and inevitably occurs in all organisms. Some organisms, such as Turritopsis dohrnii, are biologically immortal, however they can still die from ...
- Turritopsis Dohrnii
Turritopsis dohrnii, also known as the immortal jellyfish,...
- Death (Disambiguation)
Death is the irreversible cessation of all biological...
- Brain Death
Brain death is the permanent, irreversible, and complete...
- Talk
This article is within the scope of WikiProject Death, a...
- Turritopsis Dohrnii
5 days ago · It is the study of the alteration of fossilized materials, either in large scale structure or the micro-anatomical or molecular level. Taphonomy, on the other hand, involves every process involved in the final condition of a specimen that is put on display in museum or found in a collection. This includes all the events that happen to an ...
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17 hours ago · A good approximation to grasp the brevity of these time spans is the fact that according to standard text book wisdom the average longevity of an animal species is 5-10 million years for marine invertebrates (May et al. 1995: table 1.1, Levinton 2001: table 7.2), 3-10 million years for insects (Hörnschemeyer et al. 2010, Penney & Jepson 2014: ...
17 hours ago · Permian–Triassic boundary at Frazer Beach in New South Wales, with the End Permian extinction event located just above the coal layer. Approximately 251.9 million years ago, the Permian–Triassic (P–T, P–Tr) extinction event (PTME; also known as the Late Permian extinction event, the Latest Permian extinction event, the End-Permian extinction event, and colloquially as the Great Dying ...
4 days ago · Homo erectus (/ ˌ h oʊ m oʊ ə ˈ r ɛ k t ə s /; meaning "upright man") is an extinct species of archaic human from the Pleistocene, with its earliest occurrence about 2 million years ago. Its specimens are among the first recognizable members of the genus Homo .
2 days ago · Lamprey. Lampreys, often referred to as “living fossils,” are jawless fish that bear a striking resemblance to ancient fish from over 360 million years ago. These parasitic or filter-feeding ...
1 day ago · In this explainer, we will learn how to describe the tropisms that control movement in plants. All living organisms are capable of moving and reacting to changes in their internal and external environments. These changes are called stimuli. This is why we say that movement and response to stimuli are two of the characteristic features of living ...
