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Theme 2: What Really Happened?. Selection 3: Hundreds of dinosaurs once died in a small area in New Mexico. As you read about what might have happened, monitor your understanding. Clarify difficult parts by rereading or reading ahead.
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Theme 2: What Really Happened? Selection 3: Hundreds of dinosaurs once died in a small area in New Mexico. As you read about what might have happened, monitor your understanding. Clarify difficult parts by rereading or reading ahead.
asteroids: small often irregularly shaped bodies that orbit the sun
embryos: animals in their earliest stages of growth, before they are born
erosion: all the natural processes that wear away earth and rock
excavation: the process of finding something by digging it up
extinct: no longer living on earth; having died out; gone forever
fossils: the hardened skeletons or other remains of creatures of prehistoric times
geologist: scientists who study the earth’s crust and the rocks it is made of