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It is assumed that evolution by natural selection results in animals utilizing the most economic and efficient strategy to balance energy gain and consumption. The Marginal Value Theorem is an optimality model that describes the strategy that maximizes gain per unit time in systems where resources, and thus rate of returns, decrease with time ...
The bigger animals kill most of the N.I.C.E. staff. As earthquakes destroy the building, Lord Feverstone flees to Edgestow but is killed when that too is engulfed. Others escape and wander to the Head, where Filostrato is sacrificed, Wither kills Straik, and Wither is killed by a bear.
Spacecraft use chemical energy to launch and gain considerable kinetic energy to reach orbital velocity. In an entirely circular orbit, this kinetic energy remains constant because there is almost no friction in near-earth space. However, it becomes apparent at re-entry when some of the kinetic energy is converted to heat.
Defensive mimicry includes the well-known Batesian and Müllerian forms of mimicry, where the mimic shares outward characteristics with an aposematic or harmful model. In Batesian mimicry, the mimic is modeled on a dangerous (usually unpalatable) species, while in Müllerian mimicry both species are harmful, and act as comimics, converging on a ...
An ouroboros in a 1478 drawing in an alchemical tract [1]. The ouroboros or uroboros (/ ˌ j ʊər ə ˈ b ɒr ə s /; [2] / ˌ ʊər ə ˈ b ɒr ə s / [3]) is an ancient symbol depicting a serpent or dragon [4] eating its own tail.
Male Canadian garter snakes huddle around a female after hibernation when mating.. Huddling confers higher and more constant body temperatures than solitary resting. [3] Some species of ectotherms including lizards [4] and snakes, such as boa constrictors [5] and tiger snakes, [6] increase their effective mass by clustering tightly together.
The clan with which the humans have contact in the film lives "in a giant tree that sits on a vast store of a mineral called unobtainium, which humans want as an energy supply." [ 1 ] Cameron has described Avatar as more " science fantasy " than true science fiction and has said that he would explain in the novel for the film why in the ...
As the series opens, humanity has colonized an area of the galaxy roughly 100 light years in diameter. This area is called Sphere Sol, as it is the sphere of influence of the race from the star Sol, that is, the Sun. Sphere Sol's "neighborhood" is also home to other spheres, each centered around a particular star: Spheres Polaris, Canopus, Spica, Nath, Mirzam, and Bellatrix as well as the huge ...