Punctuated Equilibrium College Essays Samples For Students

The inherited characteristics in a species population change over time through genetic drift, mutation, and natural selection. Natural selection was first proposed by Charles Darwin and it explains the emergence of species that are best fitted (adapted) to certain environments in which they live. The mechanism of evolution is explained by the theories of phyletic gradualism and punctuated equilibrium. In this paper, both phyletic gradualism and punctuated equilibrium are evaluated. Phyletic gradualism and punctuated equilibrium seek to explain then rate of evolution.

Phyletic Gradualism

Gradualism is a model of evolution that suggests that speciation is a slow, constant and consistent process. It is not ...

ORGANIZATIONAL BEHAVIOR

Organizational behaviour is the field of study that investigates the impact that individuals, groups, and structure have on behaviour within organizations. An organization follows a set of principles that it seeks its employees to follow to make it succeed. However, these rules can be modified from time-to-time to adjust to external threats and competition. Today, most companies believe that employees should perform in groups or teams to enhance production and create a healthy work environment.
Working in groups can be beneficial to employees. What is important though is how and what kind of role will each member of the group ...

CRITICAL REVIEW OF THE ROLE OF CRISIS IN INDUCING POLICY CHANGE

Introduction
Most nations make policies after they enter serious crisis. There is a general notion that a critical problem requires a critical solution. Thus, nations that came under Nazi or Japanese attack in the eve of the Second World War declared a state of emergency and made sweeping changes to their national policies. These changes had far-reaching impacts on the functioning of the arms of governments and the entire nation had to suspend various activities to implement the policies in response to the crises.
However, after World War II, significant events have been considered as turning points in national ...