One species that is increasing in numbers is the polar bear, despite the fact that most people think they are all dying. A report published by the World Conservation Union in 2013 said that there were about 4,200 more polar bears in 2013 than there were in 2001.
pigs are increasing.
the pigs
There are currently about 1.4 million identified animal species, and about 1 million of them are insects. Biologists estimate the number of animal species could be as many as 5 million.The total of living plant and animal species is estimated as 8.7 million species. This does not include bacteria which could number in the hundreds of millions of species and subspecies.
it may be pollution and increasing population of us.
yes they do
germs.
amphibians
360
As of this year, there are over 28,000 species of fish. However, new species of fish are being discovered every year and this number is constantly increasing.
More information? There are literally thousands of plant species, hundreds of animal species and an uncountable number of insect species.
declines
If we don't conserve an animal the species number will drastically decrease and resulting in extinction of that particular species. If one species become extinct it could trigger off a chain reaction and many species will be threatened.