... danger. Something that should also be taken into account when measuring the danger of an invasive species is where the invasion is located. If an invasion takes place on an island, the biodiversity of the environment will be far more affected than that of an invasion that takes place on mainland (Pysek 1725-1737). This is because the environments of islands ... are isolated, so the invaders won't spread out or leave the island, because of the island's isolation. Also because the native species of the island are so used to their own isolated ecosystem that the slightest change can affect...

• Word Count: 1480
• Approx Pages: 6
• Has Bibliography
• Grade Level: High School

... the future. References Hauserman, Julie. 2000. "Underwater logging back, within limits." http://www.sptimes.com/News/042600/news_pf/State/Underwater_logging_ba. Flock, Jeff. 1997. "Divers find water-logged treasure." CNN Interactive. http://www.cnn.com/TECH/9707/23/logging. Swerkstrom, Buz. July 1994. American Forests. "Salvaging Superior Logs." P. 30. "Regional Logging History." http://www.oldlogs.com/visuals/hitory.html ... ...

• Word Count: 1319
• Approx Pages: 5
• Grade Level: High School

... audience to stop using plastic bottles because of the health concerns and its harmful effects on the environment. Introduction: How many people know that in the Pacific Ocean there's a huge island consisting of plastic bags, bottles, and even toys that's estimated to be twice the size of Texas? For those you didn't know now you do, environmentalists refer to this ... island as the Great Plastic Vortex. As plastic use increases, the vortex will only grow more and more. In 2007 8.8 billion tons of bottled waters were sold, so the number of ... ...

• Word Count: 780
• Approx Pages: 3
• Has Bibliography
• Grade Level: High School

... and the rabbit were meant to kill off other animals, they would be able to fly to other continents themselves. But since humans carry them to the other continents and island, it is our duty to prevent the unnatural events from happening. Levine tried in no way to try and persuade me with guilt or to try and appeal to me ... ...

• Word Count: 835
• Approx Pages: 3
• Grade Level: High School

... . (Darwin) For the sake of his argument Darwin removes the possibility of foreign invasion by another species. He takes the example of a closed environment, a valley concealed by mountains or an island, a similar to Galapagos Islands he visited with the Beagle. When this environment is hit with a climate or other ecological change many of the native species would die; but those who ... ...

• Word Count: 808
• Approx Pages: 3
• Grade Level: High School