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Earthquake Loads & Earthquake Resistant Design of Buildings Earthquake Loads & Earthquake Resistant Design of Buildings 1. 1 2. Summary 2 3. Earthquake Design -
newcastle Earthquake PART I INTRODUCTION AIM The aim of this report is to describe the Newcastle earthquake and identify its social, physical and economic effects
Alaska Earthquake On March 27, 1964 the most powerful earthquake recorded in North America struck in the heart of Prince William Sound at 5:36pm. Buildings fell
earthquake The myth of Earthquake has three different purposes. First off it shows the power of Zeus being able to maintain peace and order in the universe which
Earthquake of 1987 I. Introduction Earthquakes in California are certainly not a surprise. What is a surprise is their unpredictability and randomness. Geologists
Submitted by lornawong1220 on December 21, 2005
Category: Psychology
Words: 2234 | Pages: 9
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Previos biological analyses dating back to the mid 1970s concluded that an innate (genetically based_ seismic=excape responses was unlikely to have evolved in animals, due to the impression that earthquakes were ¡§ ¡K too rare to establish a selective advantage that might permit genetic fixation of such a characteristics,¡¨ and the question of ¡§whether most species could take successful evasive action even if they had advanced knowledge of an impending earth-quake¡¨ (Gans, 1976). Both of these concerns need re-evaluation.
A commonly raised objection to the concept that animals might detect earthquake precursors is the fact that the life spans of most animals are much shorter than the typical repeat time of large seismic events. Therefore, they are unlikely to remember any precursory signals. Kirschvink¡¦s argued that animals might be able to detect earthquake because animal behavior is susceptible to genetic control. Kirschvink suggested that through the course of random mutation and natural selection, rare events that kill or reduce the fitness of a species can lead to the evolution of mechanisms to avoid such mortality. Animals also evolve behaviors that enhance survival and fitness, for example the escape responses from fire and predators and many of these behaviors involve sophisticated pattern recognition abilities. A large number of complex behavioral responses of animals are under genetic control. The behavioral genetic systems, like all genes, are under ancient fossils that preserve information that has helped animal to enhance survival and fitness. For example, the complex behaviors like the honeybee waggle dance language are instinctive, appearing spontaneously in the adult worker bees even these bees have never been experienced to the honeybee waggle. The explanation for that is the sensory input through vision, hearing, touch, and smell elicits a ¡§fixed-action¡¨ response, causing an immediate and essentially...
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