About Animals: Lemurs Don't Fill Niches Left Open by Extinctions

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Animals Animals Animal Facts Habitat Facts Animal Pictures From Laura Klappenbach, your Guide to Animals Welcome to the Animals / Wildlife Newsletter, a weekly newsletter published every Thursday by About.com's Animals / Wildlife website. For more about animals and wildlife, be sure to stop by the blog, participate in forum discussions, and browse the growing library of animal profiles. Lemurs Don't Fill Niches Left Open by Extinctions Recent research has revealed that when one of two competing lemur species goes extinct, the surviving species does not thrive. In fact, data examined by the research team shows that over the past 2,000 years, when a species goes extinct, the surviving species is vulnerable to new selective pressures that can actually increase the likelihood that it too will go extinct. See More About:  lemurs  primates  What Is a Niche? The term niche is used to describe the role an organism or population plays within its community or ecosystem. It encompasses all relationships that the organism (or population) has with its environment and with other organisms and populations in its environment. See More About:  ecology  habitats  niche The Basic Amphibian Groups Amphibians are a group of tetrapod vertebrates that include modern-day frogs and toads, caecilians, and newts and salamanders. See More About:  amphibians  frogs  salamanders Animals / Wildlife Ads For the Animals Endangered Animals Animals All Animals Animals Pictures Featured Articles Newts and Salamanders Frogs Invertebrate Echinoderms Cnidaria Basic Cnidarian Anatomy   More from About.com Bake Sale Bestsellers Make your next bake sale a profitable one with these irresistible recipes. More> Real Recipes app Download our highly-rated app for free recipes and kitchen tools, for iPhone and iPod Touch. More> This newsletter is written by: Laura Klappenbach Animals Guide Email Me | My Blog | My Forum   Sign up for more free newsletters on your favorite topics You are receiving this newsletter because you subscribed to the About Animals newsletter. If you wish to change your email address or unsubscribe, please click here. About respects your privacy: Our Privacy Policy Contact Information: 249 West 17th Street New York, NY, 10011 © 2012 About.com   Must Reads Animals A to Z What is Evolution? Basic Animal Groups Facts About Animals Animal Characteristics   Follow me on: Advertisement