WHY WERE MANY DINOSAURS SO BIG? HOW MANY DIFFERENT TYPES OF DINOSAUR WERE THERE? HOW WERE DINOSAURS DIFFERENT FROM REPTILES TODAY? PTEROSAURSICHTHYOSAURSFIND OUT MOREThis group of land-living…
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…
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,…
Scientists have conflicting opinions on this subject. Some paleontologists think that all dinosaurs were “warm-blooded” in the same sense that modern birds and mammals are: that is, they had…
Some dinosaurs ate lizards, turtles, eggs, or early mammals. Some hunted other dinosaurs or scavenged dead animals. Most, however, ate plants (but not grass, which hadn't evolved yet). Rocks that…
Direct fossil evidence for dinosaur skin color is unknown. Paleontologists think that some dinosaurs likely had protective coloration, such as pale undersides to reduce shadows, irregular color…
