Researchers believe this fossil is an example from an era when land animals were adapting to marine life. Modern whales evolved from deer-like land mammals (哺乳动物) over the course of millions of years, and this unique whale could travel across land and swim in the ocean.The new species ...
Anyone who has ever been helped by a social worker has Jane Addams to thank. Addams helped the poor and worked for peace. She encouraged a sense of community(社区)by creating shelters and promoting education and services for people in need In 1931,Addams became the first American woman to w...
The red fox (Vulpes vulpes) is host to a community of zoonotic and other helminth species. Tracking their community structure and dynamics over decades is one way to monitor the long term risk of parasitic infectious diseases relevant to public and veter
Most Common Text: Click on the icon to return to www.berro.com and to enjoy and benefit the of and to a in that is was he for it with as his on be at by i this had not are but from or have an they which one you were all her she there would their we him been has when...