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Period: to
Tertiary Period
Pangaea split during the Tertiary Period. The Tertiary Period's climate was hot and humid at the beginning, but ended with an ice age. Many birds people see in the sky today were seen in this time period, but some flightless birds existed in the Tertiary period that are extinct today. Along with birds, fish began to flourish in the rivers and oceans. Sharks, bass, and trout were the major organisms in the water ways. Plants and flowers bloomed. Therefore the number of insects increased. -
Period: to
Paleocene Epoch
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Mass Extinction
There was a mass extinction which killed many animals such as dinosaurs and large reptiles. This allowed the mammals to thrive. The Tertiary Period is known as the "Age of Mammals". -
Rocky mountains were formed
California ran into North America -
Himalayan Mountains
India crashed into Asia. -
Period: to
Eocene Epoch
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Warm Climate
The warm climate helped dense forests grow. -
Early Eocene Tapir
This species came to be. -
Middle Eocene Camel
This species lived in North America. -
Period: to
Oligocene Epoch
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Fish
Fish prospered. Bass, trout, and shark evolved. -
Alps
Africa crashed into Europe -
Oligocene Horse
This animal lived in South Dakota. -
Stone Age
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Period: to
Miocene Epoch
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Cooling Climate
the cooling climate created open woodlands and gerasslands. -
Flowering Plants
Flowering plants prioduced nectar which allowed bees and other insects to prosper. -
Glaciers
Glaciers in Antarctica formed. -
First Hominids
The first hominids appeared. They are human ancestors. -
Pliocene Horse
This species emerged. -
Period: to
Pliocene Epoch
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Hominids start to use tools and become civilized
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Ice Caps Freeze
The polar ice caps froze and the tepmperature dropped. Land bridges were created which allowed plants and animals to spread. -
Continents assume their modern configuration
