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Apparent death [a] is a behavior in which animals take on the appearance of being dead. It is an immobile state most often triggered by a predatory attack and can be found in a wide range of animals from insects and crustaceans to mammals, birds, reptiles, amphibians, and fish.
Self-preservation may also be interpreted figuratively, in regard to the coping mechanisms one needs to prevent emotional trauma from distorting the mind (see Defence mechanisms). Even the most simple of living organisms (for example, the single-celled bacteria) are typically under intense selective pressure to evolve a response that would help ...
Melanie Klein and her immediate followers considered that "the infant is exposed from birth to the anxiety stirred up by the inborn polarity of instincts—the immediate conflict between the life instinct and the death instinct"; [2] and Kleinians indeed built much of their theory of early childhood around the outward deflection of the latter ...
Scientists think tickling and laughter have a social role — in humans and in other animals, including rats. Skip to main content. 24/7 Help. For premium support please call: 800 ...
Rats are unable to vomit when they ingest a substance that is harmful thus pica in rats is analogous to vomiting in other species; it is a way for rats to relieve digestive distress. [7] In some animals pica seems to be an adaptive trait but in others it seems to be a true psychopathology like in the case of some chickens .
The CDC concerned about ‘possible threat to the health of humans’ in study on rat lungworm
Individual rats would rarely eat except in the company of other rats. As a result extreme population densities developed in the pen adopted for eating, leaving the others with sparse populations. In the experiments in which the behavioral sink developed, infant mortality ran as high as 96 percent among the most disoriented groups in the population.
A company called Tomorrow Biostasis is focusing on human cryopreservation in the hopes it can eventually reverse death. The new Berlin startup has already preserved the bodies of about 10 deceased ...