es story so far

The Sixth Major Extinction to occur, which is caused by humans is in which era? 

cenozoic

Pangaea formed during this era

paleozoic

order of the periods from past to present

cambrian, ordovician, siluiian, devonian, carboniferous, permian.

what happened at the end of the ordovician?

loss of life

resource associated with the carboniferous

coal

first mammals

Mesozoic

armored fish dominated during what period?

silurian

largest mass extinction occured

permian

age of dinosars

mesozoic

flowering plants, bees,

cretaceous