Microevolution Free Essay Example, 750 words

ï » ¿Microevolution Laguna de Manialtepec, is located in southern Mexico, is a melting point for marine species. Temperatures in the islands rise high in the day and drop below optimum levels in the night. In 2015, the area had excessive food for both animal and human consumption. The area was once full of life and provided habitat for numerous organisms. The land iguana is a unique animal found in the surrounding area of Laguna de Manialtepec (Curry&Chang, 12). Land iguanas are herbivorous creatures that complement their diets by eating insects and centipedes. Iguanas rely on cactus fruits and pads as the primary source of food for their survival. Iguanas mature at the age of 8 to 15 years and have adapted to living in dry areas. They eat other fruits and insects and increased cellular activities in the lower abdomen of the animal. In addition to there is assimilated cellulose in the lower part of the intestine. Presence of assimilated cellulose in the lower abdomen of the land ig uanas is crucial. It indicates that the iguana depends on the cellulolytic micro flora in the digestive system of the animal. We will write a custom essay sample on Microevolution or any topic specifically for you Only $17.96 $11.86/pageorder now There is a trend of iguanas with the growth of the normal iguanas in the Laguna de Manialtepec. Over the years, the growth of iguanas increased significantly in the region resulting in the slightly different creature in the habitat. The example shows the theory of Natural selection takes place in an ordinary environment. Natural selection is a progression whereby organisms adapt to the prevailing conditions of a certain environment (Darwin&Quammen, 12). The organisms that survive  in these  change the population of the rest of the species. Change in population results is a result of the change in the iguanas. Charles Darwin's theory of evolution explains the process of evolution in the land iguanas (Curry&Chang, 12). The iguanas are better adapted to the current conditions of 2315. Change in features of the land iguana ensures that they have favorable characteristics to survive in 2315. Competition in the wild is the ultimate solution to surviva l. According to Darwin's theory, natural selection transforms the genetic traits in species (Freedman, 6). In this case, there is an evolution of genetic traits of the land iguana that are vital for the survival. Competition in the wild is the ultimate solution to survival. Animals with unique features survive while those with unwanted features die. Iguanas that could not survive the evolution process had no option but to die. Iguanas had to attach themselves to their parents to protection until they were mature. They adapted to feeding cacti and flowers in the wild. Competition among organisms in the same environment eliminates the weaker generation from the society. Darwin noted that the tortoises in Galapagos Island were distinctive in their particular manner (Freedman, 24). They were very distinct, and individuals could quickly tell the island of origin. There is a close relationship between the land iguanas and the finches. That sets in another theory whose postulation supp orts why land iguanas are dominant in Laguna de Manialtepec, South Mexico (Darwin&Quammen, 12). The choice of food eaten by organisms and the time food takes to reach the gastrointestinal tract of the iguanas is vital in the evolution of the animal. Natural foods are broken down for energy, nitrogen, calcium among other crucial minerals. The system of the iguana's processes high-quality foods. According to Darwin, not all organisms have equal chances in the fight for survival (Darwin&Quammen, 23). The plants that have adapted to the environment are healthy and have a better chance of surviving. The fittest animals survive harsh conditions. Land iguanas reproduce to their full potential and adapt to the conditions of Laguna de Manialtepec. Gene flow is generally the transfer of genes from one population to another (Freedman, 29). The original ancestors of the land iguanas had the adaptation that helped them survive. Their migration had two effects on the population of land iguanas and the host community. Breeding managed to decrease variation in most of the organisms in Laguna de Manialtepec (Gibson&Gibson, 18). Natural selection is a means that explains the theory of modification as theory works. The theory of Charles Darwin is a landmark in the process of evolution. The theory relies on the belief that there is the formation of new and better species from the existing ones. The theory argues that t a dominant allele that influences a trait in an organism development. The influence is on the genetic trait of the organism and affects the growth and development of the organism. In conclusion, genes pass through the generation of animal and plants by reproduction. Successful genetic variations are an advantage when the land iguanas have a high frequency. Diversification of land iguanas limits the potential for future generation. The dominant trait of animals helps them easily survive the evolution. Darwin demonstrated natural selection using the artificial selection of domestic plants and animals (Curry&Chang, 12). Natural selection shapes the behavior of many animals and individuals. In addition to, natural selection selects numerous species in a population. There is evidence that proves the existence of the theories of Darwin. Works Cited Curry, Jennifer, and In-Young Chang. Evolution. Bronx, NY: H.W. Wilson, 2006. Print. Darwin, Charles, and David Quammen. On The Origin Of Species. New York: Sterling, 2008. Print. Freedman, Dave. Natural Selection. New York: Hyperion, 2006. Print. Gibson, J. Phil, and Terri R Gibson. Natural Selection. New York: Chelsea House, 2009. Print