A few centuries ago, the fauna of Europe was richer and diverse. Like a domino effect, a multitude of aspects is leading to the destruction of Earth’s biodiversity. The process of extinction takes place when a particular species of animals or plants are diminished due to several factors which could include human exploitation, environmental forces, and evolutionary changes. Based on AZE’s [ 1 ] calculation, endangered species under their observation consist of amphibians (408), birds … So the extinction of animals has got more disadvantages than advantages. Granted, extinction is a phenomenon that occurs naturally, however it normally happens at a rate of 1 to 5 species every year. One million plant and animal species are on the verge of extinction, with alarming implications for human survival, according to a United Nations report released Monday. The current wave is considered to be the worst series of species elimination since the dinosaurs disappeared 65 million years ago. Populations are kept in check by this process of natural selection. Fish & Wildlife Service as "an animal or plant species in danger of extinction throughout all or a significant portion of its range." Up to one million plant and animal species face extinction, many within decades, because of human activities, says the most comprehensive report yet on the state of global ecosystems. In nature everything is connected, when a species is extinguished, the complete ecosystem is altered.
Habitat fragmentation, destruction or loss, unsustainable hunting and wildlife trade, global warming and disease are the factors that lead to animal extinction. Nearly one-third of tropical animal species face extinction if humans do not curb our growing appetites for beef, pork and other land-intensive meats. In this animal extinction essay I will describe the problem of extinction of flora, which occurs under the influence of human activity. A recent intergovernmental report on the biodiversity crisis estimated that extinction threatens up to a million animal and plant species, known and unknown. Scientists find evidence that human involvement, not mere nature, led to Ice Age extinctions. The African wild dog. Arnaud Gauffier, du WWF-France, a répondu à vos questions sur le rapport alarmant de son ONG qui met en garde contre la disparition des animaux sauvages.
If not controlled, many more animals will be doomed to extinction. The Panamanian golden frog bred by … Therefore biodiversity, a key element in the survival of life on earth, is lost. Giant Kangaroo Tiger This super cat is practically extinct.
But humans, at the top of the chain, now dominate every aspect of the natural world and are changing the equation governing ecosystems by wholesale destroying ecosystems and severely compromising others.. One million animal and plant species are now threatened with extinction.
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