In biology and ecology, extinction is the end of an organism or of a group of
organisms (taxon), ... The relationship between animals and their ecological
niches has been .... Recently in geological...
Surprisingly, scientists have a better understanding of how many stars there ... *
Experts actually call this natural extinction rate the background extinction rate.
Nobody really knows how many species are in danger of becoming extinct.
Noted ... No group of animals has a higher rate of endangerment than
May 30, 2014 ... Many on base knew Trouern-Trend as "the guy to identify critters," he ... a
worldwide community of people who report sightings of animals and ...
Oct 1, 2015 ... Just the last 40 years we've lost an incredible variety of species, like these
amazing creatures. See pictures of animals that have disappeared ...
Oct 10, 2016 ... Here's a look at the species that were declared extinct this decade — and a few
that may also have gone the way of the dodo during the 21st ...
Animals have always lived and died, but it is the extinction rate that is most
alarming. Take a look at the many animals that went extinct in just the last 100
Oct 5, 2014 ... Endangered animals including pandas and tigers serve as logos for ... have so
many species of plants and animals become extinct in such a ...
Oct 22, 2015 ... And while the ESA has saved at least 227 species since 1973, many animals
have gone extinct since it took effect. At least 17 animal species ...
We don't know exactly how many species go extinct every year but it could be ...
the following animals will become extinct: polar bear, chimpanzee, elephant, ...