danger of wiping out some species‚ if we have not already done so. For millions of years‚ extinction among animals was а natural process. In fact‚ it was part of the process of evolution. In recent years‚ however‚ the extinction of some species has been the result of human activities. Had it not been for these‚ many more animals would have survived. Some species have either been made extinct‚ or become endangered‚ because of hunting. Now‚ even the very earliest of humans were hunters‚ since
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Endangered Species Endangered species are living things whose population is so reduced that they are threatened with extinction. Thousands of species are included in this category. The International Union for the Conservation of nature and Natural Resources publishes a list of threatened mammals‚ birds‚ reptiles‚ amphibians‚ and (many people do not consider them) plants .CAUSES OF EXTINCTION Millions of years before humans‚ extinction of living things was linked to geological and climate‚ the
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Endangered species are those considered to be at risk of extinction‚ meaning that there are so few left of their kind that they could disappear from the planet altogether. Endangered species are threatened by factors such as habitat loss‚ hunting‚ disease and climate change‚ and usually‚ endangered species‚ have a declining population or a very limited range. The current rate of extinction is thought to be far greater than the expected natural rate‚ with many species going extinct before they have
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becoming a vanishing species. There are a number of causes for them dieing. But the most recent and worst cause has been discovered. It is responsible for killing off our amphibians. They are dieing by the thousands. They were able to survive and hold on through past extinction spasms‚ surviving even when 95 percent of other animals died out. They even stayed alive when the dinosaurs disappeared. If amphibians could live longer than dinosaurs‚ then why are they dieing now
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What is it?Lactobacillus is a type of bacteria. There are lots of different species of lactobacillus. These are "friendly" bacteria that normally live in our digestive‚ urinary‚ and genital systems without causing disease. Lactobacillus is also in some fermented foods like yogurt and in dietary supplements.Lactobacillus is used for treating and preventing diarrhea‚ including infectious types such as rotaviral diarrhea in children and traveler’s diarrhea. It is also used to prevent and treat diarrhea
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ENDANGERED SPECIES Introduction An endangered species is a population of organisms which is at risk of becoming extinct because it is either few in numbers‚ or threatened by changing environmental or predation parameters. The International Union for Conservation of Nature (IUCN) has calculated the percentage of endangered species as 40 percent of all organisms based on the sample of species that have been evaluated through 2006.Many nations have laws offering protection to
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Why Some Students cheat The first thing to realize is that we all have cheated at one time or another‚ be it on a game‚ a test‚ an exam‚ or a quiz. The question is why do some students do it? Do they do it for the fun of it‚ the thrill? Most people‚ both young and old say that cheating is immoral‚ but yet they have done it at one time. Some students cheat on their tests because they did not study‚ fear of failing‚ or the pressure. First of all‚ students don’t study for test because they think it
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Technology Nov 22 2013 Why humans are unique? Our human have made so many amazing achievements in the earth’s history. We pass laws‚ fight for poor and stand for what was right; we sacrifice‚ care about our families and cherish friendship; we build great thing，explore the universe‚ cure diseases and make ungodly technological advances; we reach for stars‚ act like men; we aspire on intelligence‚ but don’t belittle it. Why it is only human beings dominate the earth and make those
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investor relations decision makers to leverage content to engage with all their key audiences. PR Newswire pioneered the commercial news distribution industry 56 years ago and today provides end-to-end solutions to produce‚ optimise and target content – from rich media to online video to multimedia – and then distribute content and measure results across traditional‚ digital‚ mobile and social channels. PR Newswire serves tens of thousands of clients in the Americas‚ Europe‚ Middle East‚ Africa and the
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THE CONCEPT OF SPECIES What are species? Species are the basic taxonomic units of biological classification. This grouping of organisms of "like kind" into discrete and stable units has been traced at least from the time of Plato and Aristotle. The term derives from the Latin "specere" (to look at‚ to behold)‚ with the meaning of "kind‚“ "quality‚" "appearance‚" "shape‚" or "a peculiar sort.“ In the past‚ species were classified according to their shape. Carl Linnaeus (1707-1778)‚ the
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