Eassy 1 Essay Example | Topics and Well Written Essays - 500 words

Eassy 1 - Essay Example Ultimately, each of the four determinants that will be discussed act in their own way to provide for the massive diversity of life that is and has been seen on planet earth. With regards to speciation, this is a unique evolutionary concept whereby new biological species arise as a function of split lineages phyletic evolution. As a function of this, the layperson can understand the principle which sees varying differences arise within populations of farm animals as well as key differences arising in certain breeds of dogs as a process of the split lineage model that has herein been described. Although such a model is useful, it places a level of emphasis on something of a closed system due to the fact that a split lineage must signify a type of event that separated two groups in the first place. Although this is of course a fundamental precept of evolutionary biology, it helps to adequately explain the great level of diversity that is currently exhibited within the natural world (Abbot et al 2013). Conversely, an environmental agent of selective pressures denotes the ways in which certain environmental factors act upon creatures to adapt them to the particular way of life that is necessitated within their environment. Evidence of this can of course be seen in the giraffes of the savannah as they were increasingly necessitated to have longer and longer necks as a function of reaching the flora at the top of the tree canopy. In this way, environmental agents of selective pressures can alternatively be read as a type of natural selection. Similarly, with regards to diversity of plants and animals, dispersion is something that ultimately cannot be ignored or disregarded due to the fact that the level of dispersal means that captive groups of species will develop in dissimilar ways to other captive groups of species. Evidence of this can of course be seen in the way that the American

The Effect of performance appraisal policies on the Level of the Thesis Proposal

The Effect of performance appraisal policies on the Level of the Employees Engagement in Hail University- Saudi Arabia (Women Branch) - Thesis Proposal Example independent variables in affecting mediating variables of peer pressure is investigated and this is then weighed against the outcome of dependent variables pertaining to employee engagement levels.After postulating the problem statement and indicating the purpose of the research, the research questions of the study are then posited. This is followed by the framework of the research and a discussion of the various variables. This is followed by a research methodology section which indicates how data is to be collected. This will be by conducting a qualitative and quantitative study of employee engagement levels in Hail University, Saudi Arabia women’s branch, by collecting and reviewing both primary and secondary sources of data. Employee engagement is affected by a number of factors. Bakker and Demerouti (2008) indicate a variety of factors such as job resources, the salience of such resources and personal resources as some of such factors that affect employee engagement. The importance of employee engagement is underscored by the associated benefits of this engagement. Such benefits include improved performance and a willingness on the part of the employee to go the extra mileBakker and Demerouti (2008). Other surveys have found such employee engagement to be positively related in-role performance. These are just some of the benefits that are expected when employees are engaged in their work. One of the many factors that can be expected to affect employee engagement levels is performance appraisal policies of an organization. This is because performance appraisal policies are policies, and like any other policy; they are bound to affect the relationship that exists between the employee and the organization. Performance appraisal is usually targeted at assessing employees’ productivity and determining whether they are working in accordance to the company’s goals and objectives. Moreover, such appraisal is then used to determine appropriate rewards and/or