+ WHAT IS A DINOSAUR? Giganotosaurus Leg bones Hip bones Forelimbs Skulls + THE BIRD CONNECTION Similarities between Compsognathus and Archaeopteryx Efficient hunter…
Your ticket to becoming a lawful permanent resident of the United States The new Permanent Resident Card, or "Green Card" Related Links Immigrants by Country of Origin…
Suit claims Obama did not follow proper procedure in changing federal rules Related Links Immigration in the U.S. Obama's Executive Action Delays Deportation of 5 Million…
Immigration Statistics from the most recent data available from the Department of Homeland Security Related Links Notable U.S. Immigrants Immigration Facts The Green Card Immigration…
Immigrants having an eye exam at Ellis Island.Source: Library of Congress The U.S. is a nation of immigrants. The first wave of immigrants to colonial America, from England, France,…
An immigrant is a person who comes to a country to take up permanent residence. The first known use of the term was in a textbook, American Geography, by Jedidah Morse published in 1789. See…
Triassic habitats (250–200 million years ago)Jurassic habitats (200–145 mya)Cretaceous habitats (145–65 mya)Not all the dinosaurs lived at the same time. Nor did they all live in the same part of…
The different functions of a museumDinosaur displays in museums can take many forms. Original fossils are shown in glass cases, often presented in the rock in which they are embedded. Complete…
Geological timescaleTriassic period: 250–200 million years agoJurassic period: 200–145 million years agoCretaceous period: 145–65 million years agoDinosaurs roamed the planet for about 165 million…
