Essays on Migratory

Pathophysiology of Rheumatic Fever

Introduction Rheumatic Fever (RF) is the type of inflammatory disease that can develop due to untreated or inadequately treated throat infection (scarlet fever or strep throat) caused by a type of bacteria known as streptococcus (Carapetis, McDonald & Wilson, 2005). This paper is going to cover pathophysiology of the Rheumatic Fever. It will begin with the symptoms associated with RF. A description of mechanisms or processes that take place in a person infected with RF will be described. This will be followed by a discussion of the causes of RF. There is a section dedicated to the pathophysiology of RF ...

Goose hunting is one of the waterfowl hunting sports that involve hunting birds for food or leisure. Hunting of geese can take place on crop fields where they feed and on or close to water bodies like swamps, ponds, rivers and lakes. Apparently, goose hunting is not an easy sport. It presents a tougher challenge than other bird hunting genres since it requires considerable preparation for a successful hunting session. What most people don’t know is that goose hunting is protected by the Migratory Bird Treaty Act and implemented by The US Fish &Wildlife Service. This essay outlines ...

Introduction

Quoting Marchetti, Ausubel states, “Successful societies are learning systems” (Ausubel, 1995). Organized social learning and the development of our society caused increased technological progress. Since 1400, the number of technological and scientific discoveries has dramatically increased (Appendix A). In the twentieth century, it continued its growth. It was the time of scientific and technological advances that significantly improved our living but at the same time caused environmental problems, as the creation of the internal combustion engine became one of the major reasons of the outpouring of greenhouse gases. In the twenty-first century, we have something to do with them. ...

Introduction

The Florida manatee is part of the species Trichechus manatus latirostris and their closest relative on earth now is the elephant. Florida manatees are part of the scientific order Sirenia and the family Trichechidae. They are a migratory species and move from ocean waters of Brazil to those of the Gulf of Mexico. The shift due to climate change has caused them to migrate further north.

They have a low basal metabolism causing them to move slowly as they look for warm water such as the warm natural spring fed rivers of Florida (Reynolds & Clay 2000), the warm water effluent ...