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What change occurred in Earth's atmosphere after the evolution of photosynthesizing prokaryotes?
Wiki User
∙ 14y ago
The rapid rise of atmospheric oxygen illustrated in the geological record by layers of iron oxides.
Wiki User
∙ 12y ago
Wiki User
∙ 14y agoOxygen levels rose significantly.
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What are two types of evidence that suggest that evolution has occurred?
The two types are Dna, and fossils
What is an example of convergent evolution in the tundra?
Convergent evolution is said to have occurred when species which are very different from one another have developed very similar traits. This type of evolution is said to happen as a result of having to adapt to specific environments, such as a tundra. An example of convergent evolution in the tundra is the arctic fox.
Who explained that evolution might have occurred in nature from simple to complex form and origin of species by natural selection?
Charles Robert Darwin, of course!
How would vestigial traits be explained if evolution occurred via inheritance of acquired characters as proposed by Lamarck?
as a change in an individual's phenotype in response to an environmental challenge
Why is DNA the weakest evidence of evolution?
Actually, it is the strongest evidence for evolution. Without one fossil we would know from the DNA evidence that evolution has occurred and is occurring. It is in the DNA of organisms that we see the strongest evidence for common ancestry. The products of those genes are sometimes highly conserved down the ages. Ribosomes, the workbenches on which proteins are made, differ hardly at at between you and pets.
When did scientists believe that chemical evolution occurred?
Scientists have believed that chemical evolution occurred about 4 billion years ago, shortly after the formation of the Earth. This process is thought to have led to the development of the first life forms on our planet.
What is mirco evolution?
micro evolution refers as evolution occurred during biochemical synthesis in primitive earth as for evolution of essential micro and bio molecules.
The hypothesis that evolution occurred slowly but steadily is called?
Darwinism
Fossils provide direct evdence blank that has occurred on earth?
evolution
When did scientist believe chemical evolution occur?
Scientists believe that chemical evolution occurred around 3.5 billion years ago.
What are types of evidence that suggest that evolution has occurred?
The two types are Dna, and fossils
Is the troposphere the layer of the atmosphere where rain and snow occurred?
Yes.
What are two types of evidence that suggest that evolution has occurred?
The two types are Dna, and fossils
Which significant event in evolution occurred during the Carboniferous period?
Reptiles evolved from amphibians
During the evolution of protists it is hypothesized that what occurred?
B and C only for plato users
What two types of evidence that suggest that evolution has occurred?
The two types are Dna, and fossils
How did the atmosphere on Mars form?
The majority of the atmosphere of Mars resulted from the outgassing of the planet's interior. This occurred very early in its formation.
