The Leading Causes Of Animal Extinction Biology Essay.
Essays on Endangered Species One way in which human activity proved incredibly detrimental to live on Earth is by causing extinction or endangerment of numerous species. This has been caused by destroying or limiting their natural habitat or disrupting their normal life cycle in other ways.
Mammals, about 4,200 species exist today; the natural turnover rate is about 1 per 140 years. As against these fairly low natural rates, during the last three decades alone some 95 species of birds and 37 of mammals have become extinct. Today some 200 species of birds and 100 of mammals are facing serious threats of extinction (Myers, 1979).
Finally diseases can cause extinction in a species. For instance, when a there is an outbreak of a disease to a specific species, there is likelihood of this species loosing many of its members before the way forward is found. This is why diseases are always counteracted with speed. There is also a phenomena referred to as genetic pollution which also can cause extinction of a certain species.
Scientists believe species are going extinct at 114 times the normal rate of extinction. Not only do humans introduce invasive species, but we also compete with other species for habitat and food.
This essay has been submitted by a student. This is not an example of the work written by professional essay writers. De-Extinction of Extinct Species: An Ethical Question?
Included: expository essay content. Preview text: It is not a secret the ecological situation on our planet is rather complicated. Apart from the common worries about global warming, industrial pollution, and rain forests being cut down, there is also a huge problem of the extinction of species; and.
Percent of species in critical risk of extinction. Right now, right now. Now In 2020 This month This week Today See more. The 6 th Mass Extinction is Here. When we talk about extinctions, we need to understand that it’s not just about the disappearance of a single specie but also the effects of its disappearance to the environment that it interacts with. It’s a broad topic. Concerned.