result of convergent evolution because cetaceans have evolved to be more equipped for an aquatic lifestyle. Rather‚ it is a remnant feature of life on land (Rose‚ 2001). Despite this evidence‚ other scientists argue that tooth morphology of ancient cetaceans is not consistent with artiodactyls. Instead‚ tooth and some skull features are more similar to the carnivorous mesonychians. However‚ this morphology is argued by opponents to be most likely a result of convergent evolution (Rose‚
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to survive and reproduce in its environment. Eventually‚ a population may accumulate enough change that it constitutes a new species. In modern terms‚ we can define evolution as a change over time in the genetic composition of a population. Evolution also refers to the gradual appearance of all biological diversity. Evolution is such a fundamental concept that its study is relevant to biology at every level‚ from molecules to ecosystems. Evolutionary perspectives continue to transform medicine
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Human Evolution Who we are as a species‚ and where we came from; make up the basis of a fantastic story‚ spanning more than 4 million years. The search for the origins of humanity will be a story of bones and the tales they tell. It’s a story that begins in Africa‚ where our ancestors first stood up.Over millions of years they continued to evolve and eventually spread out across the globe. Some species adapted to the changing world‚ while others went extinct. Today only a single species
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Chiang Mr. Holmes AP Biology – Period 1A 24 November 2014 How is the Human Race Still Evolving Today? Evolution is the descent of organisms from common ancestors with the development of genetic and phenotypic changes over time that makes them more suited to the environment. However‚ with how advanced and dominant human society is compared to the rest of the world‚ many ponder whether evolution is still happening for the human race. We can see signs that we‚ as humans‚ are still evolving through
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Alondra Mota 4/12/12 Per.5 Once scientists began thinking about animals in terms of evolution‚ the giraffe became a seemingly straightforward example. It is as if the giraffe ’s long neck was begging to be explained by evolutionary theorists. The idea that the giraffe got its long neck due to food shortages in the lower reaches of trees seems almost self-evident. The giraffe is taller than all other mammals‚ can feed where no others can‚ and therefore has a distinct advantage. It seems compelling
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The Evolution of Policing Loretta A Chapman CJU230BO8 Author Note Abstract For an accurate look into the evolution of the function of police in society‚ I believe we must go through the history of police. It is a long history so I will focus on the origins and the most important advances. The first persons made to perform what we now realize to be police duties‚ occurred during the Ancient Era‚ between 3000 BC and 400 AD. Captured Nubian slaves were made to perform the police function of watch
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Evolution of the Earth The planet earth has gone through much abuse and punishment in the past. Formed approximately 4.5 billion years ago‚ the earth has undergone multiple catastrophic asteroids erasing species after species. Due to geologic evidence‚ it is estimated over 90 percent of all life that had ever lived in this planet have been extinct. No more than the past 500 million years alone‚ 50-90 percent of all organisms on earth were wiped out of the geological timeline without any warning
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people have found answers that come from the bible and some have found answers elsewhere. There are three widely known ways that people look at Creation. The first way people look at creation comes from a theistic point of view and is called Theistic Evolution. This point of view has two extremes; one extreme is that God wasn’t directly involved with creation‚ he just got the ball rolling by creating the natural laws and building blocks and then he took a step back and then let nature take its course;
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ANATOMICAL EVIDENCE OF EVOLUTION In our studies of the anatomy and development of animals we have discovered that many living creatures that look quite different on the surface have similarities underneath their skin that suggest that they are related to each other. This is evidence that living creatures have evolved‚ or gradually changed over time. In this lab‚ you will learn about homologous‚ analogous‚ and vestigial structures and their value as evidence for evolution. INSTRUCTIONS A. HOMOLOGOUS
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The Evolution of the Telephone Thanks to Alexander Graham Bell‚ you can “hear me now‚” whenever and wherever you want. From a way to improve the telegraph to the smartphones we carry with us‚ the telephone has seen an evolution in technology like no other device. For the thirty years prior to its development‚ the only form of communicating with someone over long distances was either through the telegraph or by letter. As our country continued to expand‚ a better way to communicate was needed
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