Grass
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About 66 MYA grass was formed and it was food to many animals in the Neongene Period.
Modern animal groups appear
![Picture](http://www.editmysite.com/editor/images/na.png)
55 MYA modern animal groups appeared. They were made because after the mesozoic mass extinction only small animals survived. Then those evolved into much bigger animals. Examples: Dog, cat, pig, cave lion, cave bears, wooly mammoth and much more!
Lucy The Australopithecus
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3.4 MYA Lucy lived in Eastern Africa and went from trees to grassy wood lands in the forest walking upright on 2 legs like a human. Her ribs, short leg and small brain resembles apes.
Modern Humans
![Picture](http://www.editmysite.com/editor/images/na.png)
First started out small, then evolved into larger mammals. For example, pigs, dogs, cats, wooly mammoths and more started to appear