Human and Evolution Essay Example for Free

Human and Evolution Essay Human desire is unlimited, everyone also will hold a laziness attitude, so to own desires, human need to work harder to satisfy their own, therefore society in constant evolution! Sigmund Freud once said that human evolution is mainly has two conditions as the driving force, one is sex and another is eager to greatness. However, this is unscientific if we observed from another perspective. Through understanding and awareness the history of Europe and Asia, we can assume this argument exists only in the view of philosophy and cannot afford to ponder in reality. With the era and knowledge progress, people have analyzed the reason of human evolution to be more simplified and clearly, it can be summarized in a word: survival. Evolution is a process of fittest survives, not suitable people will be eliminated, each of the persons genetic are constantly changing, and is non-directional, genes control human’s activities of all life. In addition, when people confronting difficulties or changing, some mutant gene fit, but some do not, so those who do not fit will naturally died and eliminated. Generally, humans will choose to make changes and through evolution to maintain their patterns of life. According to Plato, â€Å"human is an animal that have no feathered and stand on two feet, the selection of human walk upright, maybe just to make walking easier.† Through some scientists verification, as the substantial change in the natural environment, such as the climate was changed erratically and deforestation cause the forest reduce, using walking upright is more conducive to human migration between the various settlements. This real case of human history is showing the evolution of standing and walking firstly to make the human brain has been gradual evolution and improvement. On the other hand, to stand up for walking and running, human need to balance the body and motor coordination of body parts, for the cerebellum of evolution has played a significant role in. Moreover, because of the evolution of standing and walking, human’s hands and feet also gradual evolution of division of labor. Besides that, because of people habit of laziness, there are more and more inventors to create something to provide life convenience for human, such as paper to convenient human communication and armillary sphere, seismograph to facilitate the people to observed celestial bodies and natural disasters. All of these are the inventor’s creative inspiration that obtained by the evolution. After a long time, those items are cannot satisfy peoples needs, then people will have to evolution to reform it or create another items. At the time of human invented complex instruments, the item is also forcing humans to adapt to its complexity, which in turn will promote human accelerated pace of evolution. Until today’s living environment has already evolution to become high tech, human science and technology has been rapid improvement and the invention and use a variety of tools are also complicated, for example: mobile phone has became the main item to work, to connect people communicate, replace people entertainment and vehicle became main transportation for people to move, all of the people who are following in this environment are also affected. So, they have only one way to avoid being eliminated the social environment, and that is evolution together. Everyone needs to make changes by themselves, learning and contacts more stuff, broadening their horizons.

Forty Years in the Wilderness Essay -- Personal Narrative Nature Essay

Forty Years in the Wilderness Clouds of dust billowed behind our jeep like a filthy veil. Scrawny boys in underwear left their jacks to chase us. Seconds later, they trailed off calling "gringos." A bachata blared in the distance as we pulled up to the palm hut that doubled as a ranger station. Two shirtless rangers leaned against grimy cases displaying ceramic idols and shards of bowls. Sitting around over cups of steaming coffee, one ranger amused us with cuentos while Mom bartered with the other for a guide. Crabs scurried across the trail. My family and I tromped behind the ranger, eager to see caves decorated by Taino Indians. We were confident that this hike into a National Park would be an exciting challenge like our vacations in previous years to other forests in the Dominican Republic. Partially buried coconuts and fragments of brain coral created an obstacle course to scramble over on our way to the caves. James and Sarah raced ahead of the guide, while David and I meandered behind looking for lizards. Grandma won at "I spy," spotting tropical birds and brightly colored orchids dangling in the canopy quicker than any of us. Prickly underbrush and cacti engulfed the path in a sinister tangle. When we stopped for a drink, Grandpa grabbed a cactus to steady himself. His face contorted into a grimace as blood channeled between wrinkles and spines on his hand. Using my sleeve, I gently wiped Grandpa's hand and wrapped it in a handkerchief to stop the bleeding. We hiked on in silence, s hattered only by chattering parrots and humming wasps. The trail fed into the gaping mouth of a cave, surrounded by razor sharp stalactite and stalagmite teeth. We sprawled on damp boulders, munching on peanuts and hesitantly shinin... ... gone for six hours but it felt like years. Grandma carefully measured out even amounts of water from the thermos for each of us to wet our parched throats. When we piled into the jeep, it reeked of sunscreen, insect repellant, and body odor. Ignoring her usual rules, Mom let us hang out the windows as she sped to the nearest colmado. We sat in the shade of an almendra tree and guzzled a crate of pop and a five-gallon drum of water. I could smell hot grease from the corner fried foods stand, but the thought of food turned my stomach. All I wanted was to drink until I felt I might burst. Back at our cabin, I raced to the only bathroom and slammed the door. I stepped in the shower with my clothes still on and let the cool water pour over my body in an overwhelming sense of relief. The only coherent thought I could form as I stood there was: "Thank you God for water."

Memory

Three participants ages 19, 19, and 20 were asked to listen to three lists of words whose contents ranged from low to high association. The low-association list was defined by words that had no particular relation to each other. Conversely, the high-association list was characterized by words that had very close relationships with each other, whereas the in-between list of medium association contained words among which loose relationships existed. Each list contained ten words. The three lists were read to each participant in a slow and systematic way, leaving an interval of approximately one second between the calling of each word. Each participant was then given a minute to write down as many words as they could recall. The average number of words remembered from the low-association list was three (3), which represents a low level of recall for short term memory. This is consistent with the idea that the brain employs a short-term memory system that is able to hold limited information, and this can be done for only a short time without the aid of semantic prompters (Brown et al., 1985). The group of words on the low-association list contained almost no semantic prompters, as these words belonged to no specific category that could have been called up in the schema of the persons involved in the experiment.    As a result, the first few words called in each list allowed the participants no leeway to use schema as a mnemonic device for recalling them. Relying therefore only on short-term memory, the participants were able only to remember a small portion of the words. It is also important to note that those which were remembered were the ones located near the end of the list. This indicates that the effort to remember those later words nullified any earlier efforts made at memorization, and consequently removed the earlier words from the participants’ short-term memory. The second list of words containing a limited number of related words (medium association) showed a recall level for the participants of approximately six (6) words. The final two words on the list were recalled by two of the participants, and the other recalled the last word. However, the few words on the list that were related were universally recalled by the participants. The experiment apparently enabled them to make connections among the related words and to further connect them to a category in their schemata. This occurrence points to the tendency of the mind to categorize the information it receives, and the long-term memory of these participants appears to have been activated by associating the related words to their appropriate category. This categorization is most likely the factor that aided the short term memory of the participants, allowing them to recall a greater percentage of the words (almost twice as many) than they were able to recall from the first list. The third list contained words that were all highly related to each other. The experiment demonstrated even more the extent to which semantic categorization has the ability to aid short-term memory. The participants remembered an average of approximately nine (9) words on the list. This represents a vast increase over the previous two tries. This part of the experiment indicates the participants appeal to their long term memory as an aid in memorizing the contents of this list. For instance, despite the fact that the words on the low-association list were familiar words, their ability to remember them was compromised by the fact that they had no method of selecting them from all the other things that reside in their memories. Conversely, the fact that the words from the third experiment were all members of a particular category allowed these participants to use the taxonomic feature of long-term memory to aid recall in this memory experiment (Brown et al., 1985). The parallel trend of increased remembrance alongside increased association therefore underlines the importance of schema in the enhancement of memory. Reference Brown, A. S., S. L. Whiteman, R. J. Cattoi & C. K. Bradley. (1985). â€Å"Associative strength level   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   and retrieval inhibition in semantic memory.† The American Journal of Psychology.    98(3):   421-432.   

Chapter 4 Risk Management Essay - 1322 Words

Chapter 4 - Risk Management 1. What is risk management? Why is identification of risks, by listing assets and their vulnerabilities, so important to the risk management process? Risk management is the process of identifying risk, as represented by vulnerabilities, to an organization’s information assets and infrastructure, and taking steps to reduce this risk to an acceptable level. Each of the three elements in the C.I.A. triangle, introduced in Chapter 1, is an essential part of every IT organization’s ability to sustain long-term competitiveness. When an organization depends on IT-based systems to remain viable, information security and the discipline of risk management must become an integral part of the economic basis for making†¦show more content†¦6. What value does an automated asset inventory system have for the risk identification process? An automated asset inventory system would be valuable to the risk identification process because all hardware components are already identifi ed – models, make and locations – thus management can review for the most critical items and assess the values. 7. What information attributes is often of great value for networking equipment when DHCP is not used? IP Address 8. Which is more important to the systems components classification scheme, that the list be comprehensive or mutually exclusive? It is more important that the list be comprehensive than mutually exclusive. It would be far better to have a component assessed in an incorrect category rather than to have it go completely unrecognized during a risk assessment. 9. What’s the difference between an asset’s ability to generate revenue and its ability to generate profit? The main difference between a revenue-generating asset and a profit-generating asset is that the revenue-generating asset produces a cash flow that is linked directly to the asset. If the asset were sold, the cash flow would stop. With a profit-generating asset, the linkage is not so direct. The asset does not produce cash directly, but influences consumer and competitor behavior with the intention of producing more revenues. 10. What are vulnerabilities and how do you identify them? A vulnerability is a weak spot in your network that mightShow MoreRelatedThe Real Estate And Construction Industry1000 Words   |  4 Pagesareas - from property management to risk management. 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