Animal Extinction Essay

1772 Words 8 Pages
Many species in the world are endangered and eventually becoming extinct. The main problem that generates extinction is human activity; people cause extinction every day and unknowingly to them, it is killing innocent animals. Due to pollution, natural forces, human interaction, and loss of habitats, animal extinction is a major crisis in the world; people are the only ones that can save the animal population before it is too late.
Pollution is among the most insidious threats to animal extinction. It can be as obvious as sewage and oil spills in water or as invisible as chemicals used every day. Whether the effect is long term or immediate, the results are the same. Water is the source of life. The water in lakes, rivers and oceans is essential to all living things. Pollution contaminates water by coming in contact with sewage, runoff, oil spills, and acid rain. Sewage contains a wide variety of dissolved and suspended impurities that can become very dangerous to animals when it comes in contact with water. Oils spills and runoff
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Species may become extinct because of changes in climate, competition with other species, or a combination of both of these. Changes in climate, such as an ice age, or heat wave, can cause many animals to become extinct very quickly, eliminating their entire species. Most natural forces that cause extinction happen over a long period of time; some events however can happen fairly quickly, such as a volcanic eruption. One the most famous rapid extinctions is the extinction of the dinosaurs that happened due to a large meteorite striking the earth. The biodiverse Earth cannot keep up with the rapid changes in temperature and climate. As species die, it makes it harder for the survivors to find food. This causes the animals to fight with one another over food, habitat, or dominance ("How Animals Become Extinct.",

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