About metamorphosis - Free Essay Example

Sample details Pages: 2 Words: 515 Downloads: 7 Date added: 2019/08/06 Category Literature Essay Level High school Tags: Metamorphosis Essay Did you like this example? Entomology is that the study of insects and their relationship to humans, the envoirnment, and alternative organisms Fig-1 (Entomology) Don’t waste time! Our writers will create an original "About metamorphosis" essay for you Create order It is the scientific study of insects, a branch of biology within the past the term insect was additional imprecise, and traditionally the definition of zoological science enclosed the study of terrestrial animals in alternative invertebrate teams or alternative phyla, like arachnids, myriapods, earthworms, land snails, and slugs. METAMORPHOSIS The word metamorphosis comes from the Greek which means transformation gradually. it is the method of transformation of immature larval into sexually mature reproducing adult. The newly adult is completely different from larvae in type, structure and habit. Humans grow step by step. we began life as a baby grow a bit at a time till youre an adult. whereas you are growing the fundamental set up of your body doesnt amendment. you have got identical body your whole life. Insects grow gradually and also the cycle of stages is metamorphosis. for several insects, the stages are therefore completely different from each other so that sometimes we dnt know about that because some animals are not too much different from one another. The four types of metamorphosis in insects are: 1-No-metamorphosis, 2-Complete metamorphosis, 3-Gradual metamorphosis, 4-Incomplete metamorphosis. Most insects begin life as an egg and hatch at intervals a number of days of being reserve. However, there are some insects that may pass through a whole season as annegg before hatching. The insects that keep within the egg longer would like longer to grow and become study enough to measure outside of the egg. once the temperature becomes heat these small insects can flee of their eggs and betting on the species, can bear any of the higher than sorts of metamorphosis. First of all we discuss here about nometamorphosis: NOMETAMORPHOSIS This type of metamorphosis is additionally called ametabolic development. In this kind, the newly hatched creature appears like adult except in size and variations in coil of spines and setae. Fig-2 (No metamorphosis) EXAMPLES: 1-Silverfish 2-Sprin tail 3-Chewinglice Fig-3( Life cycle of silverfish) Life cycle of silver fish take almost 3 to 2 months from egg to adult relying upon climate conditions and species, eggs could hatch as early as nineteen days or over sixty days when being deposited. Wet conditions area unit desirable silverfish will thrive in nearly any atmosphere. silverfish will turn out one to three eggs per day or clusters of two to twenty and not like another insects, silverfish will turn out eggs year-around. Direct fertilization do not occur in silverfish, they perform a sex activity dance cosist of 3 elements. First, the insects bit their antennae .Second, the female flees. throughout the third stage, the male and female reunite and stand facet by facet and the male vibrates his tail. Males then deposit little packets of spermatozoon called spermatophores, that females take into themselves through their ovipositors. Silverfish young are miniature versions of the adults once they emerge from the eggfrom egg to adult they molt into different kinds of forms. They will change their different kinds of their body, functions, feeding habits etc.

Prison Reflection Paper - 974 Words

In this reflection paper, I would like to explain the challenges face by the offenders after release from prisons such as jobs, housing, voting, and more. The article also describes the effect of stigma and punitive punishment on the life of offender after re-entering back into society. Reintegration is the most difficult issue for the correctional system due to the safety of the community and increases chances of recidivism. Reintegration is the process where an offender is prepared to return safely to the society as a law-abiding citizen after serving their prison time. A life of imprisonment is a process where individuals are separated from society and forced them to live in a closed environment where antisocial value dominates. Upon†¦show more content†¦The RNR (Risk, Needs, and Responsivity) model is another approach to understanding the criminal behavior, their criminogenic needs, and treatment to reduce their criminal behavior. The RNR’s model is necessary to reduce re-offending with the proper assessment of offenders’ static and dynamic risk. But, there are some critiques of RNR model such as it construct individual as a risk and ignores the challenge of re-entry issue. Another approach is the restorative justice which is helpful to re pair the relationship between the victim, community, and the offender through interactions. The Circle of Support and Accountability (CoSA) model in Canada is a group of professional volunteers to help the sexual offenders to reintegrate into society after release from jail. Offenders may have difficulty in finding a job because most of the time employers do not want any ex-criminal in their company. Offenders could not socialize with their friends because these offenders considered being gang members or criminal members. A family reunion is another challenge after release from prison due to strained relationships and the effect of parent’s incarceration on children. Felony convictions face housing problems after release from prison because of owners’ unwillingness to rent to ex-felons. Some can lose their civil rights after the conviction which will affectShow MoreRelatedAnalysis Of The Article Students Remember What They Think About ``835 Words   |  4 Pagesthe Attica Prison Rebellion, I would structure the lecture to be student-orientated to avoid shallow processing. Using each learning style, I would methodize my lesson plan to reach each student’s learning style of visual, audio, and tactile/kinesthetic. Prior to class, I wo uld instruct my students to read news articles on the Attica Prison Rebellion, as well as watch and hear clips online. For homework, prior to the lecture I would ask students to narrate the events in a reflection paper through theRead MoreGrounding A Child Versus Jailing An Adult1172 Words   |  5 Pagesoutside world. 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The Number One Article on Online Paper Writer

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Economy and Globalization in Zambia free essay sample

Examining the economic situation and Zambia’s place in the global economy will help these questions to be understood. Lusaka, Zambia Zambia is a land-locked country located in central Africa. About the size of Texas, it is home to 11 million people. The population is made up of a variety of ethnic groups, most of whom speak Bantu. Zambia is currently one of the poorest countries in Africa, and is identified by the United Nations Development Program as a HIPC – Highly Indebted Poor Country. Lusaka is the product of a country battling to find its way in a new world, caught between colonial beginnings, years of socialist independence and now democracy. † -Zambian National Tourist Board Lusaka became the capital of Zambia in 1930 but growth really took place in the 1960’s. The Lusaka City Council describes the city as a metropolis home to 2. 5 million people. Lusaka is constantly changing. New shops are being built, and a multi-million dollar shopping mall is b eing constructed. However, the Zambian National Tourist Board warns that many travelers may not see any reason to stay and that over 60% of the population of Lusaka is unemployed. Of those that do have work, much of it is in farming, textiles and manufacturing. Economic History Before it was colonized, Zambia was inhabited by a large number of different tribes, organized into chieftaincies and monarchies. There was an active trading network in copper, ivory, rhino horn and slaves. However, when colonization of Africa began, Zambia was taken over by the British government, which was particularly interested in the copper located in the northern part of the country. Because this occurred during the industrial revolution, copper was in high demand and made up 90% of Zambia’s exports. Mining was run primarily by the British South African Mining Company, with indigenous people as forced laborers. Zambia itself did not benefit from the significant amount of money coming in from the sale of copper, as this was realized large labor groups organized encouraging nationalist movements. In 1964, Zambia won independence from Britain, and Kenneth Kaunda became the first leader of the country. He organized Zambia on a socialist economic model. The copper mines were owned by the state. In the first ten years following independence, the level of real GDP grew at 2. 3% a year. Copper prices were increasing and it seemed that Zambia would be a very prosperous nation. However, by the mid-1970’s that dream began to fade. Copper prices fell in the world market. The price of oil and energy fueled global inflation and increased the price of imports. Zambia’s reliance on the copper trade was evident, and it was forced to begin borrowing heavily from international institutions. It seems that Zambia, the World Bank, and the IMF all agreed that copper prices would increase again, jump-starting Zambia’s economy. However, as time went on, this did not prove true. Further, neighboring countries fighting for independence were supported by Zambia, and trade routes were disrupted. From 1975-1990 the GDP per capital fell by almost 30%. When it became clear that the Zambian economy was not going to just pull out of the situation, global donors were no longer happy to continue the way things were going. They insisted on economic reforms within the country. These included cut backs in government spending, trade liberalization, and privatization of industry. Kuanda, still in power at the time, did attempt to make changes. However, these were met with internal opposition that caused the program to be abandoned. In 1991, Frederick Chiluba was elected to power. His party was able to push through the same type of economic reform that had been unpopular with the previous regime. In 1991 these changes were implemented. The idea was to privatize the economy and reduce the role of government in price setting and other issues. The economy became more outwardly oriented and a market based system was adopted. Three main goals were adopted by the government and agreed upon by the World Bank and IMF. The government was to restore macroeconomic stability, facilitate the private sector growth, and privatize and deregulate agriculture and industrial output. However, these changes have yet to make a significant impact in Zambia’s economic state, and it seems that they have a long way yet to go. (www. ized. ac. uk) Economy Zambia has a dual sector economy based on traditional subsistence farming, predominantly in the rural areas, and a market-oriented sector in urban areas, responsible for tax revenues and foreign exchange. In recent years, the government has made the move towards a more privatized, openmarket economy. A heavy dependence on copper (90% of exports from Independence until 1990 according to NBER, 2005) proved to be detrimental to Zambia’s economy in the past, and now there is a strong trend towards non-traditional exports. These include items like primary products, agro-processing and textiles. By 1999, only 61% of exports were from metal products, while 39% were non-traditional exports. Zambia has a number of resources at hand, and has a number of sectors where growth is possible. Agriculture Currently, agriculture makes up approximately 15% of GDP, but is still a relatively small portion of exports. Of the non-traditional exports, however, agriculture is expected to grow very quickly. Cotton, tobacco, meat, and a number of other products can be sold to the Southern Africa Development Community. Developed in 1980, this group includes nine countries in the southern Africa and makes up a significant trading area. Coffee, paprika, sugar, cotton, and other products are likely to encourage export growth to developed country markets. (NBER, 2005) Right now food crops make up 6. 3% of total income from agriculture, while cash crops are only 2. 5%. The profitability of agriculture could almost certainly be increased in a number of ways. In the agricultural sector, only 16% of potential arable land is currently being used. (www. fao. org) This land could be used for production of coffee, tobacco or other goods that can be exported. It could also be used to grow food that would otherwise be imported. Not all Zambian farmers have access to more land at no cost, but a number of them do. Other factors may be a lack of labor supply or access to seeds. (NBER, 2005, p13) A study by the National Bureau of Economic Research found that if Zambian farmers were to switch one hectare of crops to cotton, they could gain an average of almost 20% of the average expenditure of a representative poor farmer. If a farmer had access to more land at no cost, and simply planted an additional hectare of cotton, gains are above 50% of the average expenditure of poor households in rural areas. If we look at tobacco rather than cotton, the gain from switching one hectare from subsistence agriculture to tobacco would be roughly 88% of average total household expenditure. If tobacco were planted without having to sacrifice of a hectare of another crop, gains to the farmer would be about 130% of total expenditure of an average poor household. A third possibility is the growth of hybrid maize, which is of export quality. This would be more than a 55% gain for the farmer switching one hectare from subsistence, and if an additional hectare can be planted, gains of 100% can be secured. Maize is particularly important, because maize is already widely grown, and can be produced efficiently. One difficulty, however, may be in securing hybrid seeds, which must be purchased in advance. Agriculture seems like a very clear area where growth is possible. So why haven’t these changes been made already? There are many underlying difficulties preventing change in this area. Some challenges specific to agriculture are access to markets, food security and tradition in subsistence agriculture. In Zambia, a history of subsistence agriculture, particularly in rural areas may lead to risk aversion. Especially because cash crops require high quality seeds, which are expensive and difficult to acquire. For example, farmers in the rural village of Mwape were willing to farm cotton if an outside buyer provided seeds and guaranteed that he would purchase the cotton. Though the profits for the farmers were smaller, the security of this deal made it much more desirable than purchasing seeds on their own and hoping for a market. Farmers are unlikely to switch to cash crops if they are not certain of their own food security. In many cases, farmers have access to land, but do not have sufficient transportation or manpower to farm on it. They also may not have transportation to a local market, particularly for cash crops. It seems that the reason many theoretical growth schemes in the agricultural sector fail because of problems that occur at the ground level of production. Though Africa is recognized as home to primarily agricultural based societies, there remain many serious challenges to efficient agricultural production throughout the continent. Though agriculture is an important ector in many African nations, issues such as poor irrigation and lack of reliability have kept African countries from being significant exporters of agricultural goods in the global economy. Agricultural production in Africa is still unable to meet the demand of the region for food, as many Africans remain malnourished. Over the past decades agricultural imports have grown faster than agricultural exports. Organizations such as the Comprehensive African Agricultural Development Program by the FAO seek to help organize African agriculture and help increase efficiency. Mining Mining is currently the main export of Zambia, even though it isn’t nearly as lucrative as it once was. It would be beneficial for Zambia to find a way to make mining more costeffective. Currently, the Ministry of Mines and Mineral Development with the help of the European Commission, is attempting to show the benefits of mining in Zambia. They cite the ample reserves and importance of Zambia in the world copper and cobalt production. The government has privatized the mining sector and has provided tax breaks and incentives to mining companies operating in the country. Together with a stabilization of the macro economy, this is hoped to bring more business into the primary export industry in the country. (www. zambiamining. co. zm) Currently, however, mining in Zambia is still seen as a risk because of poor infrastructure. A lack of reliable transportation and electricity have been a couple of the reasons companies remain unwilling to invest. Manufacturing The manufacturing sector in Zambia made up 25% of real GDP in 2004. A wide range of activities including vehicle assembly, petroleum refining, production of chemical fertilizers, textile mills and more took place. This sector is also operating below capacity because of the difficulty of importing necessary parts. (www. fao. org) The manufacturing sector was also hard hit by the liberalization of trade. The lowering of tariffs on textile products and removal of tariffs on used clothes let to large increases in imports of second-hand clothing from industrialized countries. The Zambian textile industry has almost completely shut down. In 1991, Zambia had more than 140 textile manufacturing firms, but by 2002, this number had fallen to just eight. (www. africanfocus. org, 2004). There are also issues with very cheap goods crossing the boarder from Zimbabwe, which due to economic instability and extremely high inflation is able to create goods for a cost much lower than neighboring Zambia. Zambia is seen as a high risk investment due to high costs in electricity, fuel and telecommunication. The high interest rates on borrowing and unstable macro economy also deter investors. (Times of Zambia) Manufacturing is often seen as a sector in which developing nations can thrive since wages and production costs are lower. However, without appropriate infrastructure and stability, this is not the case. The manufacturing situation has lead many in Zambia to question the structural adjustment policies suggested by the World Bank and IMF. Even if trade liberalization is shown to help GDP growth overall, those in the manufacturing sector may see only the losses. This may be one example of the ways in which broad policies may not be applicable in every location, depending on existing industry and regional situation. Energy One source of income for Zambia comes from its hydroelectric resources. Though it does not currently provide power to everyone within Zambia, it does export 40% of the electricity produced to the neighboring countries. This seems to be due to the fact that rural villages are often isolated and widely dispersed throughout the country. An appropriate electric grid or infrastructure does not exist to connect these areas to a central energy resource. The high cost of installing this infrastructure may mean that rural villages will need to use locally available resources to create power in their area. Tourism Though estimated to be only about four percent of Zambia’s economy, tourism is one of Zambia’s top three growth sectors. Zambia is home to Victoria Falls, and a number of national parks. In 2001 alone, tourism grew by 24. %, and has quadrupled in the last four years. This may be due, in part, to the crisis occurring in Zimbabwe, and tourists showing preference for the safer, more stable Zambia. (www. msnbc. msn. com) Zambia, Africa It is clear a number of factors brought Zambia to where it is today, but Is Zambia alone in this predicament? How does it compare to the rest of Africa? Is it possible that African countries have just been the economic â€Å"losers† in a globalization movement that was supposed to be good for all? According to the World Bank, â€Å"Over the last three decades, Africa has been marginalized from global trade. Africas share of world exports has dropped by nearly 60 percent. † So it is clear that Zambia representative of a broader issue. The World Bank blames the failures on a long list of improvements that need to be made, including further liberalization of trade, such as reducing tariffs on agricultural products and eliminating agricultural subsidies. However, others argue that the World Bank is pushing in the wrong direction. They suggest that because a large number of African countries are joining the global market before they are economically or socially stable, they are unable to diversify exports. They are encouraged to focus on similar cash crops and this results in price wars between African nations, driving revenues down for everyone. Without the ability to diversify their markets, industries deemed financially unsustainable are forced to go out of business. The workers displaced from these industries do not have other options readily available to them and the result is merely high unemployment. In countries with low mobility and an underdeveloped economy, openings are very limited. The question, then, is what is the prescription for sustainable development in Africa? Some suggest that each country must find their own path, or that institutions need to be developed before growth can occur. The World Bank maintains that earlier recommendations were correct and only need to be continued and carried out appropriately. As can be seen, there are many factors that can be pointed to as being less than optimal for promoting growth. Though many theories exist about what needs to be done, there is no consensus or empirical evidence of a successful model for African growth in general. Challenges Education About half the population of Zambia is under 18 years old. One tenth of the population is orphaned children. This makes providing education a very difficult task. The government has committed to achieving the millennium development goals of universal primary education and equal education opportunity for girls. However, it seems unlikely that these goals will be met by 2015. Education funding is 24% of the government’s discretionary budget. However, 36% of the education budget is dependent on overseas development assistance. The majority of funding is required for teachers’ salaries. (Global Campaign of Education – www. vso. ork. uk) In 2002, the Zambian government introduced free basic education to help make public education accessible to all. This led to an enrollment rate of over 93% in basic schools. However, high enrollment rates are putting high pressure on existing materials. The pupil teacher ratios are high and rising. Urban schools are short on space and rural schools often require lengthy travel for young children. In rural areas less than 66% of girls complete 7th grade and under 79% of boys. school up to grade 9. Only 38. 5% of children completed Zambia also has a number of higher education opportunities, with the University of Zambia in Lusaka as the primary location. This university has an enrollment of about 5,000 students. Cultivating an educated population is essential to creating social change and stimulating economic growth. With education, more of the population will be more aware of the workings of the global economy and the issues within Zambia. Educated Zambians can begin to tackle the many problems facing the country and help lead the way to economic achievement. Rural/Urban Divide When examining the future possibilities for the economy of Zambia, it must be recognized that issues facing the population are not ubiquitous, and policies put into place will not affect everyone equally. In particular, rural areas tend to have very different situations than urban areas. In rural areas, 42. 5% of total income comes from own-production, where as in urban areas this only makes up 3%. Non-farm income in rural areas is just above 16%, while urban areas are at about 32%. Wages make up about 7% of rural income and over 45% of urban household income. It seems fair to conclude that rural areas get most of their income from subsistence agriculture, and non tradable services. There are much less cash crops and agricultural wages. NBER, 2005, p8) If rural farmers are able to get access to markets, they stand to benefit highly from the production of higher-return cash crops. Rural areas tend to be much less wealthy than urban areas, though urban areas do have their share of unemployment. Five percent of Zambia’s population takes half of the countries income. Rural subsistence farmers have less ability to affect political decisions and policies tend to benefit the urban rat her than rural population (UNDP, Rural-Urban Divide) The rural/urban divide is recognized as a problem throughout Sub-Saharan Africa as well as in a number of other developing countries. The Department for International Development discusses the importance of understanding the rural-urban divide when applying development theories. Though the difference in economic activity and development in these areas is acknowledged, however, they also stress the fact that they are linked in many ways and should in no way be pit against each other. They note that thinking of rural and urban areas as completely unrelated, as is traditional in development programs, can be harmful. What seems to be needed in the rural/urban divide issue is a clear understanding of what difference exist and where these areas are linked to adequately promote growth in all areas. Debt According to the CIA World Factbook, Zambia’s external debt was estimated at 127. 5% of GDP in 2004. In 2004, it used 7. 35% of its GDP to repay debt. This is twice as much as it spends on education. (Make Poverty History) In 1996, Zambia was identified by the international as a highly indebted poor country (HIPC), which made them part of an initiative to ensure that no poor country faced a burden that it could not manage. However, this requires the completion of a number of controversial conditions, such as macroeconomic stability and economic re-structuring according to the recommendations of the IMF and World Bank. According to a Times of Zambia article published on September 28, 2005, Zambia has now met the HIPC requirements, and expects half of its external debt to be knocked down over by the end of this year. HIV/AIDS Zambia is in the midst of an HIV/AIDS epidemic that has had devastating effects on all aspects of life. It is estimated that 16. 5% of adults are affected by HIV/AIDS. The life expectancy in Zambia has fallen to 37 years. The affect is disproportionately affecting women, who are often expected to be submissive, and who are six times more likely to be infected between the ages of 15-25. It is estimated that half of the children under 15 years old (nearly a quarter of the population today) will die from AIDS. Though the government has been engaged in an antiretroviral treatment program and an awareness program, HIV is still at a very high level. AIDS often develops in people in their most productive years, meaning families are deprived of their highest economic earners. Crops are not gathered and sold, wages are not earned, and children are often kept home from school to take over. Often these children become orphans. â€Å"In the days before the full impact of the HIV and AIDS pandemic, street children were a very rare sight in Zambian cities and towns. Now they are everywhere†¦ sleeping under bridges, behind walls, and in shop corridors. † –Dr. Mannasseh Phiri The educational system has had significant set-backs due to the AIDS epidemic. Twelve percent of Zambian families reported that a child in their family did not attend school ecause a parent or guardian was suffering from AIDS or had died from AIDS. Teachers have also been greatly affected and are now much more difficult to find. In 2002, about 2000 teachers died, while only 1000 graduated from teaching colleges. Finding teachers for rural areas is especially difficult, because when teachers become ill they tend to move to urban areas to be nearer to clinics. Zambia’ s healthcare system is under great strain due to the high number of AIDS related illnesses. In some hospitals, more than 50% of beds are occupied by these patients. In addition to an increased need for manpower and space, this has also greatly increased the costs of healthcare. Every sector of the economy is affected by the epidemic. Employers must deal with absenteeism, medical care, funerals and high turnover. According to the Zambia Business Coalition, 82% of known cases of employee deaths are HIV-related and 17% of staff are recruited to replace people who have died or left because of HIV-related infections. Because these people are in their most productive years, the workforce is constantly losing valuable experience and knowledge. The AIDS epidemic is affecting every aspect of Zambian life, and without addressing this situation, it is unlikely that significant progress can be made in other sectors. The Future Zambia is a nation that is facing a number of challenges, all of which must be addressed to make significant progress. However, the nation seems to have a number of options available for future growth. A decline in the reliance on copper as well as an increasing focus on non-traditional exports such as agricultural goods have the potential to provide economic development.