Biogeography

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    Biogeography

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    Every specie in the earth is came from an ancestor. Their ancestor change over time to adapt to the environment, this theory knew as evolution. Scientist called it a theory not because it just a belief that can’t be prove, but they already found many piece of evidence to prove that this theory is actually true. The three trustworthy evidence for this theory is fossil evidence, homologies, and biogeography. Fossil evidence are the evidence that found in the fossil of a species. Scientist determine the age based on the level of the dust that they found the fossil, and how the structure closely relative to each other. Homologies is a study about a body part, its structure and function. Different species related to each other by the structure of their bones and how a body part work. This study also including the embryology which is the study about an unborn organism, how it start off with and change over the time. Lastly, biogeography is about how the environment impact an organism and how that organism change to adapt to the changing of the environment.…

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    Biogeography In Biology

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    Most fossils are found within layers of sedimentary rocks called strata. Deeper strata are usually older and therefore fossils from different time period can be compared. Analysis of fossils from different strata suggests that more complex, modern organisms evolved from simpler, more ancient organisms.Imprint fossils are one example of fossils that died and been buried and the sediments get preserved. Biogeography is the study of species distributions. It examines how species have been…

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    Biogeography Of Marsupials

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    Biogeography It shows how the past and present geographical distribution of organisms played a role in their evolution.Also, how species are distributed in accordance to the genetic relationships they share with other organisms. Marsupials and Placental Mammals Marsupials animals are almost exclusively found in Australia, while Placental mammals are very rare there. There are fossils of marsupials in North America, and South America. 30 million years ago South America and Australia…

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    Island Biogeography Paper

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    This model is used to describe the degree of species richness, or the number of different species in an area, at equilibrium that can be expected on two land masses based on their size and distance apart. In this case, since the nature preserve will be separated by the road into two separate “islands” and therefore close together, it is expected that some species, potentially non-native species, will occupy both areas at equilibrium. The Island Biogeography Theory can also be used to predict…

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    Raven et al. (2014) defines biogeography as a study of the geographic distribution of species, and ties tougher how the species are related or not related and natural selection. Moseley et al. (2014) define biogeography as the study of patters that may form in the biotic environment and we can use the scientific process and information gathered from the past and present to study the distributions of plants and animals. Moseley et al. (2014) are the only authors that go into details about why we…

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    The devastation of both coral reefs and kelp forests can vary in strength depending on their biogeography. After the initial acute event that wipes out either the reef or the forest occurs, it is usually the water quality or fish population that determines whether they can recover. Both these processes’ strength depends on where they occur, and the biogeography of the area they are in. Coral reefs that are not located by a ravine run off do not have the issue of sewage, or fertilizer run offs.…

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    of all soil parameters measured, pH most reliably predicted both bacterial community diversity and richness. Distinct bacterial communities were found to be associated with pHs across the range discovered; clusters of similar communities were found at separate sites with arid soils, acidic soils, temperate rainforests, and so on. These results were surprising, as they reinforced Becking’s notion of a global bacterial population selected for by environment, demonstrated by the environmental…

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    The Amazing Spiderman is directed by Marc Webb. The duration time for this movie is 2 hours 16 minutes. In order to relate the evolution in this movie, we require understanding the definition of evolution. As we know, evolution in Latin is mean to unroll or to discover. Generally, evolution is refers to any change over time and often restricted to biological change. Biological evolution suggesting that species are descent from more ancient forms of life through a structural and physiological…

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    an organism is bound to happen, these changes are called biological evolution. Scientists have studied these changes and how they occur for many years, all starting with Charles Darwin on the Galapagos Islands. Darwin studied the beaks of the islands finches to see how the beaks evolved and how they affect the lifestyle of the bird. While researching, Darwin observed the passing on of better, stronger genes from the better adapted parent organisms to the offspring. The process he observed was…

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    In this chapter, Coyne’s argument for evolution is premised on evidence from biogeography. This argument is based on the fact that the same species of organisms often have certain attributes that can be linked directly to their geographical locations. Coyne cites several examples to support this position including the migration of birds like the finch, marsupials and the endemic species of organisms which are only found in oceanic islands, for example the Juan Fernández islands and others…

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