of the most important ideas in Pinker’s evolution argument is perhaps summarized as following: “evolution is about ends‚ not means; becoming smart is just one option” (1997‚ p.153). Indeed‚ Pinker pays much attentions to paint evolution as neutral as possible. From the outset‚ he explains evolution is a neutral process that does not favor the survival of any species and the creation of any special functions. However‚ a popular misconception is that evolution‚ as if it is created by the hand of god
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Creationism or Evolution? The Dilemma Remains Since the advent of philosophical thought‚ man has questioned the genesis of our existence. Before the enlightenment‚ society was accepting of a deity-based existence as the answer to all of life’s questions. In this belief‚ God created the world and everything in it in seven days. It wasn’t until Darwin’s Origin of Species became popular among many scholars that people began to change their perspectives on the miracles of life. Before the discovery
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The real digital divide Encouraging the spread of mobile phones is the most sensible and effective response to the digital divide It was an idea born in those far-off days of the internet bubble: the worry that as people in the rich world embraced new computing and communications technologies‚ people in the poor world would be left stranded on the wrong side of a “digital divide”. Five years after the technology bubble burst‚ many ideas from the time – that “eyeballs” matter more than profits or
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The Role of Extinction in Evolution In contrast to the opposite phenomenon‚ speciation. This is surprising in view of the special importance Darwin attached to extinction‚ and because the number of species extinctions in the history of life is almost the same as the number of originations; present-day biodiversity is the result of a trivial surplus of originations‚ cumulated over millions of years. For an evolutionary biologist to ignore extinction is probably as foolhardy as for a demographer
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UNIT 1 – LESSON 2 NOTES Natural Selection and Evidence for Evolution: The mechanism for evolution is called Natural Selection to distinguish it from Artificial Selection. Evolution occurs at the population level because genetics don’t change. The frequencies of different genetic types (genotypes) within a population do change over time & can create new species. There is genetic variation in all populations; some individuals are successful at surviving and finding resources & produce
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Quiz 2: Evidence of Evolution | | 1. Which of the following would be considered homologous structures? Question options: |[pic] |tentacles of an anemone and tentacles of a squid | |[pic] |wings of a bird and arms of a human | |[pic] |wings of a butterfly and wings of a bird | |[pic] |lungs of a mammal and trachea of an insect | 2. According to modern evolutionary theory‚
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Evolution of polar bears Evolution is the procedure in which different kinds of living species are believed to have developed from earlier forms over many centuries. The two competing theories in evolution are Lamarckism and Darwinism. It is believed that Darwin’s theory of Natural selection best fits the polar bears evolution because the bears adapted to a life of hunting seals and surviving extreme cold. One of the most notable adaptations was that they developed the ability to survive on a fat-rich
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Dolby Stereo In 1976‚ Dolby Stereo revolutionised the film industry by placing multi-channel stereo sound in movie theatres creating a more involving experience for the audience. In addition to left and right screen channels‚ theatres also use a centre channel to sharpen the perspective of on-screen sounds‚ plus a surround channel played over loudspeakers along the sides and rear of the auditorium to immerse the viewer in ambience and special effects. This technology was then extended to bring
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The Theory of Evolution by Natural Selection has been highly scrutinized since its first publication in 1859. The theory states‚ “the process by which organisms change over time as a result of changes in heritable physical or behavioral traits. Changes that allow an organism to better adapt to its environment will help it survive and have more offspring”. This theory is the basis of all biological sciences‚ and it lays the foundation for various scientific schools of thought. However‚ as in all things
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There is a great deal of evidence to support that evolution did indeed happen. Evolution is the changes in a population over time‚ it’s explained through descent with modification and natural selection. The findings from earlier thinkers all back this evidence up. Charles Darwin used evidence he found from research and studying the work of other scientists who studied fossils to support his claim that modern organisms are the descendants of ancestral species that were different from those of today
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