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The massive explosion the created the universe. http://science.nationalgeographic.com/science/space/universe/origins-universe-article/
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Earth has started to be formed . Started about 4.5 billion years ago.
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spans from the formation of Earth about 4570 Ma ago to the beginning of the Cambrian Period.
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The first vertebrates are appearing and trilobites and branchiopods are most common. marine invertebrates also appear.
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Most of the Earth is covered with water and has a warm and wet and plants were starting to form on the land.
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Animals and plants started " emerging" on land . eurypterids also appeared
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Known as the "Age of Fishes" amphibians begin appearing and seed-bearing plants begin developing.
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Lasted for about 40 million years. Euramerica and western Gondwana drifted northwards and moved closer together
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Lasted 33 million years. A result of the collision of Gondwana and Laurasia the supercontinent of Pangea begins to form
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There are Dinosaurs, birds, rodents, sea monsters, sharks, and blood-red plankton. deserts started turning green. dinosaurs dominated the land .
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"Age of the dinosaurs." dinosuars appear.mammals appear.
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flowers appear. mass extiction . end on the mesozoic period. http://www.huffingtonpost.com/2012/12/08/volcanoes-killed-dinosaurs-india_n_2258395.html?utm_source=Triggermail&utm_medium=email&utm_term=Apple%20Investor&utm_campaign=AppleInvestor_Newsletter_042610
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appearance of the first elephants with trunks, early horses, and the appearance of many grasses. http://www.youtube.com/watch?v=PWjwHE6iJls
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mammals, birds, reptiles and marine animals that survived the mass Extinction. The Paleocene was the first epoch of the Paleogene period .
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lasted from about 55.8 to 33.9 million years ago.. http://www.youtube.com/watch?v=pYSC6623K7I&playnext=1&list=PL4D3D544F92F5F918&feature=results_video
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warm climate.raccons and wolves appeared. large herds of grazing mammals appeared.
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climate continues to cool . woolly mammoth , Rhinos and humans first appeared
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current time . climate warms up . .human society devolped.
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the Panamanian land-bridge between North and South America appeared during the Pliocene, allowing migrations of plants and animals into new habitats. climate cooled.
