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nothing much ... they were created when the earth was created
What else can I help you with?
How did life start after asteroid hit earth and wiped out dinosaurs?
Life did not start after the dinosaurs were wiped out. Life on Earth started billions of years before that. The asteroid wiped out a large portion of life on earth, but not all of it. Some things survived.
The dominant animal life during the Mesozoic Era was the dinosaur slash reptile True or False?
The dominant land animal life during the Mesozoic was reptiles and dinosaurs.However, it is important to note that dominant does not mean the most biodiverse, common, or consisting of the greatest biomass. It simply means that they were the most common large vertebrates. Insects, for example, have always beaten reptiles in biodiversity and I believe biomass, too.
Was there ever a meteor shower on earth that messed up life?
No, not a meteor shower. The dinosaurs became extinct after a meteor struck the earth which blocked out the sun and killed much of the vegetataion that the dinosaurs used for food.
Name 3 types of life forms that appeared in the mesozoic era?
the first type of life form that appeared in the mesozoic era was a fish! the second type of life form that appeared in the mesozoic era was the reptile! and the third was a reptile bird!!!!!!!!!!!!!!!!
What are the reasons for the Dinosaurs to vanish according to Stephen Hawking?
He believes that dinosaurs became extinct as a result of an asteroid or comet striking earth about 70 million years ago. Also that intelligent life has developed on Earth only because we have been lucky enough that there has not been a major collision since then.
How did life start after asteroid hit earth and wiped out dinosaurs?
Life did not start after the dinosaurs were wiped out. Life on Earth started billions of years before that. The asteroid wiped out a large portion of life on earth, but not all of it. Some things survived.
Did any animal existed before dinosaur?
There was absolutely no life on land before the dinosaurs. Every living creature was in the sea before dinosaurs roamed the Earth.
For how many years did dinosaurs dominate chordate life on land?
Dinosaurs dominated chordate life on Earth for about 160 million years before their sudden extinction. Their dominion lasted from the Triassic Period to the end of the Cretaceous.
What was the name of the period after dinosaurs?
After the dinosaurs came the Quaternary period. In this period there was and ice age (the one you think about when you hear the word ice age) and mammals became the dominant life forms on earth. Mammoths, Giant Sloths, and Sabertoothed tigers lived during this period.
What is thefirst life on this earth?
dinosaurs were the first creatures to be on this planet.
Is there any dinosaurs still life on earth?
No . shamefully dinosaurs were extinct billions of years ago But there are relatives of the dinosaurs like birds and crocodiles
What is the dominant life form on earth?
Cells/Bacteria.
The dominant animal life during the Mesozoic Era was the dinosaur slash reptile True or False?
The dominant land animal life during the Mesozoic was reptiles and dinosaurs.However, it is important to note that dominant does not mean the most biodiverse, common, or consisting of the greatest biomass. It simply means that they were the most common large vertebrates. Insects, for example, have always beaten reptiles in biodiversity and I believe biomass, too.
How has life changed since dinosaurs?
At the time of the dinosaurs, most large animals were reptiles and the dominant trees were conifers. Today, most large reptiles have been long extinct, and most large animals are mammals. The dominant plants are now flowering plants.
What kind of life was there on Earth after the dinosaurs went extinct?
God of course
Why are dinosaurs described as lords of the earth?
They were long ago the dominant life forms on this planet
What extinct animals are there that lived before human life?
dinosaurs
