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  2. Escape velocity - Wikipedia

    en.wikipedia.org/wiki/Escape_velocity

    A relatively small extra delta-v above that needed to accelerate to the escape speed can result in a relatively large speed at infinity. Some orbital manoeuvres make use of this fact. For example, at a place where escape speed is 11.2 km/s, the addition of 0.4 km/s yields a hyperbolic excess speed of 3.02 km/s:

  3. Escape and radiate coevolution - Wikipedia

    en.wikipedia.org/wiki/Escape_and_Radiate_Coevolution

    Escape and radiate coevolution is a hypothesis proposing that a coevolutionary 'arms-race' between primary producers and their consumers contributes to the diversification of species by accelerating speciation rates. The hypothesized process involves the evolution of novel defenses in the host, allowing it to "escape" and then "radiate" into ...

  4. Longevity escape velocity - Wikipedia

    en.wikipedia.org/wiki/Longevity_escape_velocity

    "The first 1000-year-old is probably only ~10 years younger than the first 150-year-old."–Aubrey de Grey [1]. In the life extension movement, longevity escape velocity (LEV), actuarial escape velocity [2] or biological escape velocity [3] is a hypothetical situation in which one's remaining life expectancy (not life expectancy at birth) is extended longer than the time that is passing.

  5. Brownian motion - Wikipedia

    en.wikipedia.org/wiki/Brownian_motion

    The narrow escape problem is a ubiquitous problem in biology, biophysics and cellular biology which has the following formulation: a Brownian particle (ion, molecule, or protein) is confined to a bounded domain (a compartment or a cell) by a reflecting boundary, except for a small window through which it can escape. The narrow escape problem is ...

  6. Narrow escape problem - Wikipedia

    en.wikipedia.org/wiki/Narrow_Escape_Problem

    The narrow escape problem [1] [2] is a ubiquitous problem in biology, biophysics and cellular biology. The mathematical formulation is the following: a Brownian particle ( ion , molecule , or protein ) is confined to a bounded domain (a compartment or a cell) by a reflecting boundary, except for a small window through which it can escape.

  7. Mauthner cell - Wikipedia

    en.wikipedia.org/wiki/Mauthner_cell

    A C-start is a type of a very quick startle or escape reflex that is employed by fish and amphibians (including larval frogs and toads). There are two sequential stages in the C-start: first, the head rotates about the center of mass towards the direction of future escape, and the body of the animal exhibits a curvature that resembles a letter C; then, at the second stage, the animal is ...

  8. Escape response - Wikipedia

    en.wikipedia.org/wiki/Escape_response

    Escape response, escape reaction, or escape behavior is a mechanism by which animals avoid potential predation. It consists of a rapid sequence of movements, or lack of movement, that position the animal in such a way that allows it to hide, freeze, or flee from the supposed predator. [1] [2] Often, an animal's escape response is representative ...

  9. Moran process - Wikipedia

    en.wikipedia.org/wiki/Moran_process

    A Moran process or Moran model is a simple stochastic process used in biology to describe finite populations. The process is named after Patrick Moran , who first proposed the model in 1958. [ 1 ] It can be used to model variety-increasing processes such as mutation as well as variety-reducing effects such as genetic drift and natural selection .