QUATERNARY PERIOD

WHEN IT BEGAN

• The Quaternary period began 1.8 MYA
• It comes after the tertiary period
• It is still going on
• Its also known as "the age of humans"

WHAT IT'S LIKE
7 continents 5 Oceans some big mountain ranges are The Himalayas the Rockies. By the equator it is warmer and by the poles it is colder.

REPTILES

• Snakes Crocodiles Lizards
• Turtles Alligators
• Estimated 9,500 species

BIRDS

• Some can't fly, some cant swim
• Very common
• Estimated 10,000 species of birds

INSECTS

• Very Common
• About 950,000 species of insects

AMPHIBIANS

• 6,200 estimated species

MAMMALS

• 5,400 estimated species

FISH

• 30,000 estimated species

ARACHNIDS

• Spiders Ticks Mites
• Chiggers Scorpions
• Estimated over 100,000 species

Flowers
Estimated 352,000 but most likely their is over 400,000 as a lot of them are to be found.

TREES

• 23,000 estimated types

How Scientists Think It Will End
Most scientists think global warming will be the cause of the end.