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Essentially, there was no mechanism for it to work - Larmarc's theory was that characteristics gained during a species life were passed to offspring; his example was the giraffe - stretching it's neck to reach high leaves made it's neck longer and this long neck was passed to it's offspring.
This was simply wrong; if someone has an injury, their offspring isn't born with that injury- the genes aren't affected by such lifetime experiences. However, modern research in genetics has shown that some experiences can cause chemical changes in the body which, in turn, can affect the genes so that the offspring is affected. So, to a small extent Lamarc had it right.
Wiki User
∙ 14y ago
Wiki User
∙ 6y agoHis theory was that as an organism use/disuses a body part, it will grow larger/smaller. This theory has been proved wrong and Darwin's theory of descent with modification is what is accepted today.
Wiki User
∙ 11y agoHis concepts of use and disuse and heritability of acquired characteristics were not supported by the evidence and were shown to be incorrect.
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What cell theory contradicts evolution?
No theory contradicts evolution. Evolution is the basepoint of all Biology.
Who gave the theory of evolution?
There is no " theory of evolution " as evolution is a fact. The theory is; the theory of evolution by natural selection and explains much about the fact of evolution. Charles Robert Darwin and Alfred Russel Wallace come up with the theory of evolution by natural selection, though natural selection is a phrase coined by Darwin.
What was his theory of evolution?
The theory of evolution is that all living things come from other living things.
Who had the theory of evolution?
The generally accepted theory of evolution by natural selection was proposed by Charles Darwin
Two theories on how species change over time?
The scientific theory is evolution.
How is lamarcks theory of evolution different from theory of evolution?
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What are the differences between Darwin's and lamarcks theory of evolution?
Larmark's theory was based on the idea that organisms inherited characteristics that they had acquired in life - so, if you have a scar your offspring will have scars. Darwin's theory assumed that offspring inherited characteristics from their parents, but they were more likely to survive to breed if there was advantage to those characteristics.
How was Darwin's theory of evolution different from lamarcks?
In Darwin's theory, natural selection plays the key role. Organisms vary through random mutations--slight changes from their parents. The environment determines which are most likely to survive. In Lamarck's theory, changes in phenotype are inherited. This is now known to be (largely) incorrect.
What is the difference between theory of evolution and language evolution?
Theory of evolution refers to animals and plants evolution along the time. Language evolution is another issue, not entirely related to the theory of evolution. It follows the theory of evolution on some way but it is related to culture evolution, not to the physical attributes evolution.
What is the difference between the theory of language and evolution?
Theory of evolution refers to animals and plants evolution along the time. Language evolution is another issue, not entirely related to the theory of evolution. It follows the theory of evolution on some way but it is related to culture evolution, not to the physical attributes evolution.
What was the last scientific theory to challenge the theory of evolution?
No scientific theory ever challenged the theory of evolution.
What cell theory contradicts evolution?
No theory contradicts evolution. Evolution is the basepoint of all Biology.
What was Einstein's theory on evolution?
He's not known for a theory of evolution. Darwin is.
Is evolution a theory or hypothesis?
Evolution is an observed and observable fact. The theory of evolution by natural selection explains many things about evolution. The theory generates testable hypothesis, as any good theory does. Remember, theory is the highest concept in science.
The theory that states that governments developed from family ties is the?
It is not Evolution Theory it's contract theory
What words describe and influence the theory of evolution?
Darwin's theory of evolution was revolutionary.
Complete history of a theory of evolution?
There are many books that describe the theory of evolution. For example, there is a book called Evolution: The Remarkable History of a Scientific Theory.
