Excellent; I couldn’ t have written a better paper myself. DIVERSITY OF PLANTS Plants evolved more than 430 million years ago from multicellular green algae. By 300 million years ago‚ trees had evolved and formed forests‚ within which the diversification of vertebrates‚ insects‚ and fungi occurred. Roughly 266‚000 species of plants are now living. The two major groups of plants are the bryophytes and the vascular plants; the latter group consists of nine divisions that have living members. Bryophytes
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mtDNA have also backed up these findings. As the ancestors of the Polynesians journeyed across the Pacific their culture changed during isolation. The Polynesians last migration was to New Zealand. New Zealand’s climate and landscape was very different from the tropical Polynesia Islands‚ this also led to a cultural change. Many people believed that Polynesians came from South America. One man called Thor Heyerdahl believed very strongly that all Polynesians originated from South America. Thor studied
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TOMATO PLANT 1) Seed: Tomato seeds are small‚ flat and disk shaped and about 1/8 inch wide. They contain two energy storage organs called cotyledons and an embryo encased in a hard outer shell called the seed coat. The seed is the dormant or resting stage of the plant life cycle. When young tomato plants are damaged‚ they tend to go into a dormant‚ survival stage in which plant growth is delayed for a while. Frost damage is something to look out for when planting tomatoes early on in the season
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and effect of migration Every year‚ large numbers of people migrate from one country to another for various reasons. Many of them are willing to abandon their careers and homes in own countries and start a totally different life in a new place. However‚ the great flow of immigration has brought some effects to both the sending country and host country.This essay will briefly review the cause of human migration and some effects on the different types of countries. There are many reasons to explain
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was directly linked to the situation in the country of origin. Especially from 1820 onwards Malta had formidable problems with redundant population. Peace in the country developed occupancies‚ which led to unemployment throughout the country. Although the country was afflicted by several diseases like the plague in 1813 and cholera this did little to curb the unstoppable growth in population. Many inhabitants saw emigration‚ as the only possible solution to avoid the crisis of overpopulation‚ which
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Have you ever heard of the Great Migration? No‚ it is not about birds or ducks. It is actually about the movement of the African- Americans to the north. The start of the migration was as simple as can be‚ to escape segregation. During the great migration‚ the blacks suffered many situations relating to segregation. The results of the great migration affected urban life in the United States. Between the dates 1917-1970‚ about 6 million African- Americans migrated from the south‚ creating the movement
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was the mass migrations of many Vietnamese people to Australia. According to Ashley Carruthers (2008)‚ the only Vietnamese to previously arrive in Australia were generally tertiary students‚ wives of Australian soldiers or orphans from the war. Following the 1975 surrender of South Vietnam however‚ the Vietnamese were forced to flee their homes in a desperate attempt to escape the newly-communist rule of the North. Due to the economic prosperity of Australia and the close ties it had with South Vietnam
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period of 1700 to 1900‚ there were many changes in long distance migration. Near the end of this period the slave trade across the atlantic was outlawed‚ so indentured servants from east and south asia began migrating to the U.S. There was activity throughout America and Ireland‚ while some changes in long distance migration from that time period occurred as European‚ African‚ and Chinese laborers were sent to the Americas. There was continuity in long distance migrations during this time in that‚ there
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Causes and spread of infection. 1. Understand the causes of infection. 1.1 You need to understand the differences between bacteria‚ viruses‚ fungi and parasites; this also covers cell structure and growth pathogens. 1.2 Common illnesses and infections include bacteria for example tuberculosis‚ MRSA‚ tetanus‚ gangrene‚ Legionnaires ‘disease‚ salmonella and conjunctivitis. Viruses like winter vomiting disease‚ measles‚ mumps‚ chickenpox‚ HIV‚ Hepatitis B‚ warts and influenza. Fungal infections
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The Human-Animal Bond Purdue University states that “The Human-Animal bond is the dynamic relationship between people and animals in that each influences the psychological or physiological state of the other” (“Center”). The Human-Animal bond is essential to the well-being of society. Animals can affect people in many different ways‚ specifically by providing companionship. This bond has existed for thousands of years‚ though people’s relationship with animals is much different today than it
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