References: Audesirk‚ T.‚ Audesirk‚ G.‚ & Byers‚ B. E. (2008). Biology: Life on earth with physiology. Upper Saddle River‚ NJ: Prentice Hall.
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strong back - roughly four times stronger than a human’s when adjusted for size. It is less than 1-foot (0.30 m) long and weighs just 1.7 ounces (48 g). Hero shrews are less flexible than most mammals. Thor’s hero shrew was first described in Biology Letters by a team headed by vertebrate biologist William T. Stanley in July 2013. It was discovered when Stanley dissected a specimen of hero shrew collected in the village of Baleko and found that its spine was different from those of known specimens
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topic. Scientists remain divided in their opinions. Some have warned against the hazards of genetic engineering‚ while others have dismissed these perils as inconsequential. Two opposing viewpoints‚ which is right? Lewis Wolpert‚ professor of biology as applied to medicine at University College London‚ says that‚ "There are no ethical issues because you are not doing any harm to anyone." And indeed‚ the gist of his statement is staunchly supported by James Watson‚ a Nobel Prize winner and president
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lived more than 3.5 billion years ago; it than spread out in different kinds of living organisms and made new species; and the mechanism for most of the evolutionary change is natural selection. Evolution is a cornerstone of modern biology. It unites all the fields of biology under one theoretical umbrella. Evolution satisfies majority of the
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The Importance of Camouflage By Biology 101 May‚ 29 2013 Introduction In life‚ we have heard the phrase “only the strongest will survive”‚ and undoubtedly‚ think of the strength of a lion or the ferociousness of a bear‚ but this is not always the case to being a dominant species in a community. In this lab‚ we will explore the theory of natural selection‚ or as Charles Darwin put it‚ “Survival of the fittest” (King et al‚ 1-14). Through this concept‚ we will come to the understanding
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The following elaborates on my motivations for seeking a PhD in the biomedical sciences. If you take a look at the palm of your hand‚ you will notice the striations and ridges‚ formed from epithelial tissues composed of thousands of cells. Our bodies contain trillions of cells‚ each with their own functions. When at equilibrium‚ they collaborate in harmony. It is a beautiful symphony of regulation‚ proliferation‚ and complex communicat‚ion. Each and every one of us is a universe of microcosms. Cellular
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References: Helfman et al. 2009. The diversity of fishes: Biology‚ evolution and ecology. Wiley-Blackwell‚ London. 736pp.
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an anatomical‚ physiological‚ or behavioral change that improves a population’s ability to survive. ARTIFICIAL SELECTION: the selective breeding of organisms (by humans) for specific desirable characteristics. RESISTANCE: in biology‚ the ability of an organism to tolerate a chemical or disease-causing agent. ARCHEABACTERIA: a kingdom made up of prokaryotes (most of which are known to live in extreme environments) that are distinguished from other
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are the workings of nervous system and the role of heredity in behavior. Bio psychologists investigate how all the electrical impulses‚ hormones and chemical flowing through the body can affect behavior. They are concerned with how the aspects of biology affect emotions of individuals‚ learning abilities and an individual’s perception of events. As the brain can be explained according to its biological functioning; behavior can also be explain in terms of biological and chemical actions and interactions
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sequencing methods has greatly accelerated biological and medical research and discovery. Knowledge of DNA sequences has become indispensable for basic biological research‚ and in numerous applied fields such as diagnostic‚ biotechnology‚ forensic biology‚ and biological systematics. The rapid speed of sequencing attained with modern DNA sequencing technology has been instrumental in the sequencing of complete DNA sequences‚ or genomes of numerous types and species of life‚ including the human genome and
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