Wikijunior:Dinosaurs/Glossary of Basic Terms

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Items in the Glossary are alphabetically listed. The following format will be used throughout the glossary:

Carnivore (T-Rex): A meat eating animal. See also Omnivore and Herbivore.

Thus, the entry will be listed in its alphabetical order, followed in parenthesis by the section first listed and defined in. Following that, if available, should be related terms that could be looked up for further information.

Glossary[edit]

Carnivore (T-Rex): A meat eating animal. See also Omnivore and Herbivore.

T. rex skeleton from the Smithsonian Museum of Natural History

Cretaceous Period: The time period when dinosaurs were at risk of extinction between 145 and 65 million years ago. This period also saw great diversification among insects and the beginnings of the rise of mammals and birds.

Depth Perception (T-Rex): The ability to tell how far about from you an object is.

Era: A very long period of time which is somehow different from other periods of time.

Forelimbs (T-Rex)(Allosaurus): Arms; basically just limbs in the front, or fore.

Fossils: The preserved remains of dinosaurs and other ancient creatures that have turned to stone over the ages due to the pressure deep beneath the earth.

Geological Period: A period of time that is part of an Era. (For example the Jurassic period).

Herbivore: A plant eating animal. See also Omnivore and Carnivore.

Jurassic Period: The time period when the super continent of pagea began to break apart between 199 and 145 million years ago. Dinosaurs were the dominant land animals of this period.

Mesozoic Era: An Era when dinosaurs lived on the Earth between 251 million years ago and 65 million years ago. It is divided into the Triassic, Jurassic, and the Cretaceous geological periods (See also Era, Geological Period).

Omnivore: An animal that eats both plants and meat. See also Carnivore and Herbivore.

Paleontologist: A scientist who studies Dinosaurs.

Predator: An animal that hunts down and kills animals for food.

Prey: An animal hunted or caught for food.

Scavenger: An animal that feeds on animals that are already dead.

Triassic Period: The time period when dinosaurs first evolved, between 251 and 199 million years ago.