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How long ago did australopithecines become extinct?
Millions of years ago .
How do ferns that lived millions of years ago provide energy for us today?
The ferns have been compressed into 'coal' and we use coal as a source of energy - hence 'fossil fuels'.
Why are ferns that lived millions of years ago still important to us today?
Ferns were the dominant form of vegetation during the Carboniferous Period about 300 million years ago. They were much larger than ferns growing today, some reaching a height of 24 meters (80 feet). Much of the world's supply of coal, oil, and gas formed from the remains of ancient ferns that were slowly buried under layers of sediment.
Millions of years ago what city had the same name as today?
There were no cities millions of years ago.
When was the landscape dominated by ferns?
225 million years ago
When were humans on earth?
millions and millions of years ago
How many millions of years ago did the era in which you live begin?
it would be around 650 millions of years ago
Where does underground oil come from?
What we find as crude oil underground today was formed by millions of years of chemical reactions from the decay of plants that lived long ago. Most of them were palms and ferns.
When did palm trees and giant ferns first appear?
I am not sure how long giant tree ferns have existed, but ferns have been around since the mid Devonian, about 380 million years ago. Palm trees first evolved about 80 million years ago, during the Cretaceous. Ferns diversified during the Cretaceous, and palms diversified by 60 million years ago, just after the extinction of the dinosaurs.
When did palm trees and giant ferns appear?
I am not sure how long giant tree ferns have existed, but ferns have been around since the mid Devonian, about 380 million years ago. Palm trees first evolved about 80 million years ago, during the Cretaceous. Ferns diversified during the Cretaceous, and palms diversified by 60 million years ago, just after the extinction of the dinosaurs.
When Millions of years ago most of the land on the earth was covered by?
Millions of years ago most of the land on the eart was covered by?
What were the swampy forests made of 400 million years ago?
Giant ferns and club mosses.
