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| - Journey across the ages to discover how life has relentlessly adapted in every nook and cranny and see some of the most bizarre animals on earth that have survived thetest of time. Prehistoric Life digs deep to discover Earth's File:Prelife.jpg ancient past in astunning portrayal of living history.Explore all the wonderess life that came before us.This is Episode 7 season 2. This episode was relesed on dvd in 2009.
- Prehistoric life are the diverse organisms that have inhabited Earth from the origin of life about 3.8 billion years ago to the Historic period (about 3500 BC) when humans began to keep written records. During the course of evolution, new forms of life developed and many other forms, such as the dinosaurs, became extinct. (See Timeline of evolution). Prehistoric life evolved over this vast timespan from simple bacteria-like cells in the oceans to algae and protozoa, and ultimately to complex multicellular forms such as fungi, land plants, worms, molluscs, crustaceans, insects, and vertebrates.
- This page talks about prehistoric life by making several examples of extinct creatures, from plants to non-human hominids. Of course dinosaurs receive more details than the other groups, but it would be a really, really incomplete list without non-dinos.
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| - Journey across the ages to discover how life has relentlessly adapted in every nook and cranny and see some of the most bizarre animals on earth that have survived thetest of time. Prehistoric Life digs deep to discover Earth's File:Prelife.jpg ancient past in astunning portrayal of living history.Explore all the wonderess life that came before us.This is Episode 7 season 2. This episode was relesed on dvd in 2009.
- Prehistoric life are the diverse organisms that have inhabited Earth from the origin of life about 3.8 billion years ago to the Historic period (about 3500 BC) when humans began to keep written records. During the course of evolution, new forms of life developed and many other forms, such as the dinosaurs, became extinct. (See Timeline of evolution). Prehistoric life evolved over this vast timespan from simple bacteria-like cells in the oceans to algae and protozoa, and ultimately to complex multicellular forms such as fungi, land plants, worms, molluscs, crustaceans, insects, and vertebrates. In geologic terms, humans evolved very recently, only about 2.5 million years ago (mya). (See Geologic time scale, Human evolution). Very few species of prehistoric life (such as the coelacanth) still exist today unchanged, tens of millions of years later, thereby making them living fossils. Yet other creatures, like sharks, have changed but a little over millions of years. However, most life forms -- over 99 percent -- have become extinct, and so the only record of them ever existing that remains today are rock imprints, casts or other fossils.
- This page talks about prehistoric life by making several examples of extinct creatures, from plants to non-human hominids. Of course dinosaurs receive more details than the other groups, but it would be a really, really incomplete list without non-dinos. Important: This page only talks about non-stock animals: that is, creatures that may appear in popular-science works but have never been portrayed in film/comics/novels, or at least have been portrayed only occasionally. The vast majority of dinosaurs are in this category; and yet, they are as cool as their famous relatives. If you want to see thing about the most popular dinos and non-dinos, there is already some information here.
* Prehistoric Life Dinosaurs
* Prehistoric Life Large Theropods
* Prehistoric Life Birdlike Theropods
* Prehistoric Life Birds
* Prehistoric Life Other Small Theropods
* Prehistoric Life Sauropods
* Prehistoric Life Sauropod Predecessors
* Prehistoric Life Stegosaurs
* Prehistoric Life Ankylosaurs
* Prehistoric Life Ceratopsids
* Prehistoric Life Ceratopsid Predecessors
* Prehistoric Life Pachycephalosaurs
* Prehistoric Life Hadrosaurs
* Prehistoric Life Hadrosaur Predecessors
* Prehistoric Life Primitive Dinosaurs
* Prehistoric Life Non Dinosaurian Reptiles
* Prehistoric Life Mammals
* Prehistoric Life Other Extinct Creatures
- Prehistoric life are the diverse organisms that have inhabited Earth from the origin of life about 3.8 billion years ago to the Historic period (about 3500 BC) when humans began to keep written records. During the course of evolution, new forms of life developed and many other forms, such as the dinosaurs, became extinct. (See Timeline of evolution). Prehistoric life evolved over this vast timespan from simple bacteria-like cells in the oceans to algae and protozoa, and ultimately to complex multicellular forms such as fungi, land plants, worms, molluscs, crustaceans, insects, and vertebrates. In geologic terms, humans evolved very recently, only about 4 million years ago. (See Geologic time scale). Very few species of prehistoric life (such as the coelacanth) still exist today unchanged, tens of millions of years later, thereby making them living fossils. Yet other creatures, like sharks, have changed but a little over millions of years. However, most life forms -- over 99 percent -- have become extinct, and so the only record of them ever existing that remains today are rock imprints, casts or other fossils. See these entries for additional information:
* Dinosaur
* Fossils
* Prehistoric amphibians
* Prehistoric birds
* Prehistoric fish
* Prehistoric insects
* Prehistoric mammals
* Prehistoric primates
* Prehistoric plants
* Prehistoric reptiles
* Trilobites
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