...Title The finches’ adaptation and evolution In this experiment takes place as the investigation of finches being adapted and how they evolve during the years. Introduction and Purpose In the process of evolution permits you to experience the adaptation and evolution of the population of finches over 100, 200 and 300 years. These experiments can be located on the island Darwin and Wallace Island. Using different parameters that influence the adaptation and natural selection, in this experiment can study the process of evolution of finches. The hypothesis in this experiment. •The size of its beak and precipitation could have a large effect on the population. •For the size of the island population will be affected. •The greater the crisis, higher will be the population over time. Materials The materials used to complete this experiment were a computer, papers and internet access to the Evolution Lab available on the student website. Methods of Procedures Evolution in this experiment provides different variables. In the same could change the following: the variable in beak size in the population, the size of the peak, the legacy of the measured peak, clutch size, difference in size of the island, the population of finches to start the experiment, the precipitation of the island, as it affects the work of The seeds. All different combinations of variables can be set at different islands for two hours can...
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...The Natural Selection Process of Evolution “Darwin Island” and “Wallace Island” finches have survived many years on these isolated islands without much help from the human population. They are able to survive by adapting to their surroundings by a process called evolution. The evolution process begins with a process called natural selection. At this time, both islands are around the same size and the finches have similar populations and beak sizes. What would happen in 200 years if the “Wallace Island” shrank 0.2km and “Darwin Island” grew 0.2km and the clutch sizes for the finches increased by 4 eggs in size? Would the finches still have similar populations and beak sizes? Materials The material used for this experiment was my home computer and the Evolution Lab web link on the University of Phoenix Student Website. Methods and Procedures The first step in my methods and procedures was to login to the University of Phoenix Student Website. Next, I went into the materials link of my classroom and clicked on the web link for the Evolution Lab. Finally, once I am on the Evolution Lab website, I clicked “start lab.” After clicking start, the first step in understanding the natural selection and evolution process was to read the background information. Next, was to run a control experiment to see where the finches on “Darwin Island” and “Wallace Island” would be if nothing out of the ordinary happened. Once the control experiment was completed and the data recorded...
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...The Evolution of Finches on Darwin and Wallace Islands Angela Vaughn BIO/110 December 9, 2013 Heather Browning The Evolution of Finches on Darwin and Wallace Islands In the 1800s, Charles Darwin, a brilliant scientist and naturalist, observed that an organism’s traits allowed it to adapt to an environment. These organisms would produce offspring that possessed abilities to survive in their environment. Those that did not possess these traits were less fit and were unable to survive the environment. This was the beginning of the study of evolution and natural selection. “Evolution is the study of how modern organisms have descended from the earliest life-forms and of the genetic, structural, and functional modifications of a population that occur from generation to generation. The ability of a population of organisms to respond to change in their environment and survive and reproduce by developing the characteristics or modifications necessary for survival is known as adaptation.” (University of Phoenix, 2013) House Finches live in dry desert, grasslands, stream sides and open coniferous forests at elevations below 6,000 feet. They eat seeds, buds and fruits. (House Finch, n.d.) The purpose of the experiment is to test my hypothesis, “Precipitation does not cause natural selection to act upon beak size.” Materials To complete the experiment, I will need access to a computer and the Evolution Lab simulation at the University of Phoenix website. The Evolution...
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...Evolution and Natural Selection The purpose of this lab is to observe how variables in an organism’s environment can show adaptations over different periods of time and given different variables or changes to the environment or that organism. In this experiment it will show that manipulating the size of the island by 10 mm over a course of 100 years will show evidence of the Finches beak to grow or decrease in size because of their environment and their need to survive. The survivors will evolve while the others parish this experiment illustrates natural selection and evolution. Another variable or change to observe will be an increase or decrease in clutch size. Population of offspring over periods of time can largely be viewed effecting evolution and adaptation in this experiment. I believe the outcome of this experiment will depend totally on modification of increase or decrease, meaning whatever is being input and it is increasing size or numbers of the finches it will continue that same pattern increasingly higher than the opposition untouched. However if the input modifications are decreased that will decrease the size and population of finches below that of those on the opposing island. The materials for this experiment include a laptop computer with internet access and accessibility to the Phoenix student website where the evolution lab is located in the materials section. In the first iteration of changes to be input was to the clutch size of the finches...
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...Evolution Lab Sherrie Hamby BIO/101 January 18, 2012 James Marlowe Evolution Lab Evolution is a necessary stage and part of life. It’s what has shaped and define all living organisms on this planet. Evolution has helped all population and organisms respond to change in their habitat. The way they have survived is by passing on certain traits that have worked on keeping them alive it is known as adaptation. I wanted to see what would happen if you changed the eating habits of finches. What effect this will have on the evolution of life on this island? Materials All of the materials that you will need for this experiment are: a computer, pencil, paper for notes, and access to the Evolution Lab on the student website for the University of Phoenix. Introduction First, I went to the student web site and used the Evolution Lab website for the University of Phoenix. What I wanted to do is run two different scenarios to determine how much effect food sources have on finches. The test has seven different variables that you can change and those are beak size, variance, heritability, clutch size, island size, population, and precipitation. The test is simulated on two different islands one is named Darwin’s Island and the other is named Wallace’s Island. Experiments The first experiment that I ran I chose to set my parameters for Darwin’s and Wallace’s island the same. The parameters are: initial beak size 12.0 mm, heritability 0.7, variance 1.0, clutch size 10.0 eggs...
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...Kelsey Williams Professor Reiner March 29, 2016 BIOL-108 Island Biogeography Lab Write-Up Purpose of lab: Calculating how many species were migrating to different islands Hypotheses: The main factors are island size and distance from the island. We hypothesized that islands close to a source area should have a higher number of species than islands further from the source area for islands of equivalent areas. Larger islands should have more species than smaller islands for islands located at similar distances from the source area. Data table—compiled with other groups* Table 1: Island Biogeography Lab Data (fill this in) | Close (2m) | Middle (3m) | Far (4m) | Small (0.25 m2) | 1 | 3 | NA | Medium (.5m2) | 10 | 10 | 6 | Large (1.0 m2) | 15 | 16 | 16 | Graph for ONE simulation—for YOUR GROUPDATA---include title, label axes, write legend (i.e.-medium island at 3M supports 12 species) Legend: The linear trend lines did not intersect. Therefore, data is not available. Questions Based on your data and personal observations, answer the following questions. 1. Does your data support the basic theory of island biogeography? Explain why or why not. * When increasing the island size, the data supports the basic theory of island biogeography. With regards to the distance factor, the data does not support this theory because there is not a steady increase of distance; the distance measurements are very scattered. 2. How does competition...
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...Evolution is the process that living organisms can change and adapt over long periods of time. Unfortunately, not everyone believes in the Theory of Evolution. There are people who believe that the almighty God created the earth and all living creatures. Charles Darwin was the first person in the 19th Century to come up with justifiable evidence of evolution. He got his evidence from doing a study on finches from the Galapagos Islands. He noticed there were thirteen different species and they all had different beaks due to their diets. From this study, he had come up with the thought of natural selection; the process which the strongest survive. Darwin and many other evolutionists have found much more evidence of evolution. This is why evolution is the best explanation for different forms and adaptations of all living things. Darwin’s team traveled to every one of the Galapagos Islands to see the many different species of finches, thirteen in fact. Natural selection has occurred so the finches can survive. The finches’ beaks have adapted to accounts for the variation in their diets. Peter R. Grant states on page 502, “These various food types are exploited in different ways that depend on beak morphology.” We wouldn’t see all the different variations in species without natural selection. Early embryos are another piece of evidence to prove evolution takes place. By looking at the embryos of several different species you can see that there is some connection between species...
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...DARWIN VS LAMARCK Evolution is a process of change, modern theories of evolution state that all living organisms share a common origin. It is the slow process that changes animals and plants with modification. Small modifications occur at the genetic level in DNA with each generation. These genetic changes can alter the characteristics of the population and as new species appear. The aim of this seminar is to inform the audience on the various theories of evolution such as Darwin and Lamarck and how their evidence is supported or disregarded. Naturalist Charles Robert Darwin was born in Shrewsbury 1809, Darwin embarked on a five year survey voyage around the world on the HMS beagle. His studies of specimens around the globe led him to formulate...
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...Weiner writes: “The Grants’ work on Darwin’s Finches… Is one of the most intensive and valuable animal studies ever conducted in the wild; zoologists and evolutionists already regard it as a classic.” Why? What is the importance of variation in a population? Why do finch species with similar feeding habits show greater differences in their beaks when they live on the same island, than when they live on different islands? Also, how do the feeding habits of the finches change from the wet season to the dry season? In the drought of 1977, what was the evidence for natural selection, and in 1978 what was the evidence for evolution? Describe how Peter Boag intended to determine if beak size was heritable. That is, how can a trait that shows variation in a population be studied to determine to what extent that trait is heritable? Distinguish between natural selection and sexual selection. How does each operate among the finches on Daphne Major? Explain what is meant by “competitive exclusion” and how “character displacement” can allow two very similar species to coexist. (Hint: Chs. 4 &10 might be a good place to think about this one!) From your reading of this book (and perhaps from reading your text, and discussions in class) what is your thinking on what a “species” is? Explain what is meant by “adaptive landscape”, and why the Grants think that at times hybrids might be at a disadvantage but how at other times hybrids might have an advantage. What is the positive feedback...
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...between the islands is hot and cold, giving it a good diversity, which means there is a variety in living organisms in that area. Life is everywhere on the islands because the animals have learnt to adapt to the conditions, this means that over time, an animal has change in order to fit in with its environment. A few examples of the animals on the islands are the Galápagos sea lion, the Galápagos land iguana, the marine iguana, the red, red rock crab, the white-tip reef shark, the brown pelican and flamingos. The islands are famous for their large number of endemic species, also because they were studied by Charles Darwin during the voyage of the Beagle. His observations and collections contributed to the inception of Darwin's theory of evolution by natural selection. The group of islands are split into the main islands and the minor islands. There are 18 main islands, these are: Baltra Island, Bartolomé Island, Darwin Island, Espanola Island, Fernandina Island, Floreana Island, Genovesa Island, Isabela Island, Marchena Island, North Seymour Island, Pinzón Island, Pinita Island, Rábida Island, San Cristóbal Island, Santa Cruz Island, Santa Fé Island, Santiago Island, and finally Wolf Island. The minor Islands are: Daphne Major, South Plaza Island, and finally the Nameless Island. The islands are pushed to the west because of the movement in tectonic plates, these move the islands an inch or two a year, so the oldest Galapagos Islands are in the west and the youngest are in the...
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...Ysatis Hernandez 07/01/11 Biology Hollis The Beak of The Finch This is an exceptionally important and timely book for at least two reasons. In the first place, it renders both the fact of evolution and the most powerful theory ever devised for explaining it readily comprehensible to the general public. Secondly, Weiner's novel provides a scientifically convincing repudiation not only of the claims of Creationists, but also of the critiques of many nonconforming evolutionary theorists concerning the sufficiency and continuing fruitfulness of Darwinism as a guiding conceptual archetype. Theses objectives are achieved through Weiner’s ability to immerse the reader in an thrilling and vigilantly documented account of the continuing operation of what Darwin had foreknowingly surmised to be the major strength driving evolution, the locomotive of natural selection. This process is presented not simply as something that occurred only once, and in secluded areas, but occurs constantly and is all around us, accessible for all to see. Weiner centers his book on the valiant and pioneering work of Peter and Rosemary Grant in the Galapagos Islands. Weiner moves back and forth between their research mission (always focusing on its theoretical value) and the almost unintentional discoveries of Darwin that commenced in the same region roughly a century before. This approach establishes and maintains a sensation of mystery unraveling a deep...
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...Most of us think about evolution in some prehistoric sense. After all, we were first exposed to the theory of evolution in elementary school studying about dinosaurs. But evolution has not stood still; it has been an on-going process. There are many contributing factors to micro and macroevolution. Microevolution therefore refers to changes in DNA within a population for adaptation. Scientists have uncovered a gene BMP4, which shapes the beaks in Galapagos Finches. According to Weiner the finches represent the best and most detailed demonstration of natural selection. Therefore, whenever the food quality changes as a result of a drought or raining season. During the next couple of years, researchers could see a dramatic change in the beak sizes in various populations. Natural selection can drive changes of their beak sizes in response to selective pressure. As a result, the finches with more BMP4 revealed larger beak sizes. The evidence is all around us. The Galapagos Finches are a good example of microevolution; they provide small changes within a species. But I failed to see any facts that support for macroevolution. It is the process of one species changing into a different species over a long period of time. By producing a dog into a different species that would be an example of macroevolution....
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...Science Study Guide Evolution- Adaptions: * Organisms are able to survive and breed in their environments because they are suited to them. * Characteristics such as structures functions and behaviours allow them to survive. * These characteristics are called adaptions because they are inherited. Adaptions are classified as: Structural- adaption is physical Functional- adaption involves the internal function of an organism Behavioural- adaption involves the way an organism acts. Evolution: * The gradual development over a period of time as in species developing from a common ancestor. Lamarck: * First scientist to talk about evolution * Believed that organisms adapted through their struggle of survival * Acquired characteristics are those are attained through a non-inheritable change. * Suggested that long necks on giraffes where obtained by constant use of stretching their organs to reach for food high up in the trees. * Believed that acquired characteristics would be passed on to the offspring of an animal. * Studies show that theory is wrong because acquired characteristics cannot be inherited. * Acquired characteristics come from the chromosomes of the parents. * Chromosomes are not altered by changes that occur in the life of an organism. Darwin: * Believed that different species of the same animal developed a common ancestral type. * One experiment he conducted was on the Galapagos...
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...Unit Four Aha Thesis - Evolution Evolution occurs over time. Evolution occurs when the whole population changes due to certain events. The events that could cause evolution includes major changes in the environment, major changes in habitat, and major changes in the food chain. The Evidence For Evolution There are many different ways to observe the process of evolution. There are three main categories that show evolution. Those three categories are DNA, Fossils, and Comparative Anatomy. DNA is where scientists look at the DNA of modern animals and compare them to other modern animals and extinct animals. An example would be scientists looking at the DNA of a gorilla and comparing it to the DNA of an orangutan and being able to say when those two species became what they are today. Scientists use fossils to compare what an extinct species...
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...Structures of animals are proven to be identical or homogeneous to other species of animals making them all evolved from one common ancestor. Archaeologists thought that a dinosaur fossil was a large iguana but as stated in Green, Hank [CrashCourse]. (2012, Jan. 11). Evolution: It's a Thing - Crash Course Biology #20 [Video file]. Retrieved from https://www.youtube.com/watch?v=P3GagfbA2vo, “Macroevolution is just microevolution on a longer time scale, the sort of thing that turned hippos into whales is a lot harder to observe a species that 200 years ago thought that dinosaurs were big iguanas. . Dinosaurs have very similar anatomies to those of iguanas presenting that iguanas have a very homologous compositions proving they are closely evolved...
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