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Why do scientists that study rocks and fossils suggest that oxygen wasn't in Earth's atmosphere until one celled organisms appear?
Wiki User
∙ 12y ago
because having oxygen would have destroyed the the cells. However without oxygen there would be no ozone layer and the cells would have been fried. This is one of the many problems evolution has.
Wiki User
∙ 12y ago
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Were in ruby can i can make fossils come to live?
You bring it to the place in Rustburo where you get exp. share on the 2nd floor talk to the guy behind is computer. Come back later and he will give you your new pokemon. I suggest the claw, you get anorith which evolves into armaldo. the other is lileep, with turns into cradily. go with armaldo.
What part of speech is suggest?
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Most Virginia fossils are what type of organisms?
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Homologous structures in organisms suggest that the organisms?
common ancestor
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Burning fossil fuels adds extra carbon dioxide to the greenhouse gases in the atmosphere.Deforestation removes forests that used to take carbon dioxide from the atmosphere.
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is true or false, fossils suggest that birds have been on earth for more than 500 million of years
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The two types are Dna, and fossils
What two types of evidence that suggest that evolution has occurred?
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What similarities in the early development of organisms suggest?
ansector
Suggest how scientists might have determined the fate of these molecules?
dna
