"The beak of the finch" Essays and Research Papers

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    ANTHROPOLOGY EXAM 1 (FEBRUARY 18‚ 2013) GENERAL ANTHROPOLOGY * Study of human kind‚ perspective of all people & all times * Full understanding of what it means “to be human” * Very diverse as a species BIOCULTURAL ANTHROPOLOGY * Understanding relationship between biology and culture HOLISTIC * Referring to the whole system * Relating to or concerning the whole system rather than just part of the system * e.g. medicine→treatment of the whole body * consider all

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    Natural Selection for the Birds Purpose: To determine which birds with which beaks survive best in their environment depending on the type of food available. Question: What is the effect of the type of food available on the frequency of different types of bird beaks? Hypothesis: If the food type changes in the environment‚ then the amount of each type of bird beaks will change because birds with beaks more suited to the available food will be more successful over time. Variables:

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    over time between the Darwin and Wallace report. The first experiment is meant to study the influence of beak size on the birds’ population numbers. Deep breaks are suited to crack hard seeds‚ and shallow beaks are better suited for cracking soft seeds. To test out the hypothesis‚ I was able to change the beak size of Darwin to 17.0mm and let Wallace Island at 12.0mm. By doing so‚ the average beak size rose over time whereas it fluctuates for Wallace. The clutch size was changed from 10 eggs to 30

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    extreme droughts and this effected the vegetation of the islands. When there was a shortage in precipitation‚ there was a decrease in seeds small enough for the small beaked finches to eat. The larger beaked finches were able to use their long‚ strong beaks to break open the larger seeds of the plants that were still producing seeds. The smaller finches would suffer huge losses in numbers in the years the islands went through droughts (Grant‚ 1991‚ p.

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    Island and the Finches. Darwin observed that the same species developed different beaks along the Galapagos Islands in order to suit their circumstances and environments. In other words‚ they evolved in order to adapt and survive in their corresponding environment.

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    green and the coppery chest and black head makes the Yellow-Billed Jacamar look very similar to a North-American Robin. The beak of the Yellow-Billed Jacamar is very long in order to catch insects out of the air and on the ground. The Yellow-Billed Jacamar only eats insects making an insectivore and it’s beak furthers this notion because it all Jacamars have a long but thick beak for stabbing and catching bugs mid-flight or on the ground. The Yellow-Billed Jacamar likes to eat large and showy butterflies

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    DHO 111 DAC and DAD                            HAND INSTRUMENTS AND DEVICES Dental Tools 4 PARTS OF DENTAL HAND INSTRUMENTS Handle Shank - joins the handle and a blade or nib. Cutting instrument = blade and a cutting edge‚ non-cutting instrument = nib and a face or point. . BASIC INSTRUMENTS MECS Mouth Mirror Increased visibility Reflecting light Retracting soft tissues Usual sizes No. 4 and 5 Constricted areas = No.2 2 general types: Plane mirror Magnifying mirror Cotton

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    to acknowledge the discovery of Galapagos finches showing different beak shapes overtime to adapt to their surroundings and survival. On the Galapagos Islands‚ like I mentioned previously there were a variety of finches—varying in shape as well as size of their beaks. Different population of finches were adapting according to food sources around them. For instance‚ thin/ sharp beaks would eat insects‚ as oppose to large/sturdy beaks that would eat nuts. As Darwin’s study started to formulate‚ it took

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    noticed some of the same patterns in birds from his earlier trip in South America. He discovered that these birds possessed different beaks but appeared to be similar overall. He conducted more research on the finches’ beaks and found the birds with beaks that could easily catch food in their location would be more likely to survive and reproduce‚ passing down their beak shapes to their offspring. The migration of that one species of bird resulted into thirteen different species on the Galapagos islands

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    fish; the unlooping snake. Like goldfinches‚ little dolls of gold fluttering around the corner of the sky of God‚ the blue air. Glossary: Lily: “type of plant that grows from a bulb and that has large white or coloured flowers”. Finch: “is a small bird with strong beak”. The poem where does the temple begin‚ where does it end? Was Written by Mary Oliver and Published in 2004 by Beacon Press in the book Why I Wake early. Mary Oliver is one of the most famous American poets. She was born s on

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