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He is also looking for ways to speed up the discovery of unknown species. ... heard lots of people worrying that many animal species will go "extinct," meaning that they ... So why would it matter if the world's biodiversity were to disappear? ... then we cannot expect that nature will be able to keep providing these things for us.


Sep 29, 2017 ... A single species' disappearance can, in fact, make a huge ... endangered species have on their environments, what happens after they disappear? ... So, does it really matter if an animal goes extinct when we can still watch it on television, even after it's gone? .... Has the Gray Wolf Gotten a Bad Rap?


Jun 5, 2017 ... Endangerment or extinction of one species can threaten the viability of ... Extinction of animal or bird species in the food chain may alter the ...


You are a member of the food web if you eat animals that have eaten other ... the extinction of one species can spell trouble for other life in the ecosystem. ... temperature continues, weather changes cause negative effects in the food web.


Jan 12, 2016 ... Many species are hidden away in thick forests or deep underwater, so how ... Sometimes we hear about animals going extinct in the news. ... use a very simple rule to declare an animal extinct: if it hasn't been sighted for 50 .... declared it extinct just yet because we don't know for sure what happened to it.


Sep 25, 2014 ... ... would collapse if keystone species go extinct, but how would this happen and ... Jessica Tucker's article to read more on how bees benefit other living things. ... Native to the southeastern United States, these animals are ...


Apr 30, 2015 ... Four animals that face increased risk of extinction as temperatures rise include Australia's ... One in six species could disappear as the climate warms over the next century, with animals and plants ... But if global average temperatures rise 4.3 degrees Celsius—which could happen under current trajectories ...


Animal activists must constantly make choices about the best ways to help animals. ... The looming extinction of polar bears is a warning for humans. ... could lead to stronger protections for the bears and help for all species at risk from ... Hunting is bad, but slaughtering is worse. ... what will happen if polar bears go extinct.


May 2, 2005 ... When Do They Call an Animal Extinct? ... the World Conservation Union will label a species extinct only if "there is no reasonable ... It happens.