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What is an acquired characteristic what role did Lamarck's think acquired characteristics played in evolution?
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Was lamarcks idea of acquired traits proven or rejected?
rejected.
Are acquired characteristics evidence of evolution?
No, unless the mechanisms by which these traits are acquired are inherited, subject to variation, and found in patterns of nested hierarchies.
Which of lamarcks ideas was later found to be incorrect?
The idea of acquired characteristics. For instance. The idea that a blacksmith, who would develop enormous muscles due to his trade, could pass these physical attributes on to his children.
What ideas about evolution did Lamark propse?
Two main concepts. The concept of acquired characteristics where a characteristic, such as developed muscles, could be passed on to progeny. Refuted. Also the concept that organisms have a innate " desire " to evolve in certain directions. Also refuted.
Has Lamarck's theory of evolution been proved?
Scientists do not prove things. Lamarck's theory is long refuted as acquired characteristics and the use and disuse concepts are not explanations for evolution of populations.
Acquired characteristics lead to evolution?
what evolution as a result of acquired characteristics
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.
Lemarck's ideas of evolution are known as the inheritance of acquired characteristics what was incorrect about his theory of how organisms evolve?
lemarck ideas of evolution are known as the inheritance of acquire characteristic what was incorrect about his theory of how organisms evole
Was lamarcks idea of acquired traits proven or rejected?
rejected.
Does acquired characteristics lead to evolution?
No, acquired characteristics, such as building muscles through exercise, can not be passed onto the progeny and thus allele can not change over time in populations from acquired characteristics. The are not " hard " heritability.
Why doesn't evolution occur through the inheritance of acquired characteristics?
Because acquired characteristics are not programmed in the DNA; only characterisitics which are genetically programmed are passed on and inherited.
Whose theory of evolution conflict with Darwin's theory of evolution?
Lamark's theory perhaps. Acquired characteristics clash with heredity.
What are Lamarcks's contributions to evolution?
Two pertinent ideas of Lamarck were the idea of acquired characteristics and the concept of use and disuse. Acquired characteristics posited that some experience that an organisms went through in life, such as muscle building due to hard work, would be heritable. Use and disuse posited that certain organs and traits could develop through use, such as the giraffe trying to eat the leaves on the heights of trees, or that organs or traits could be lost through disuse.
Theory of Evolution by Inheritance of Acquired Characteristics?
This is the theory of Lamarck and it is long refuted.
What is an example of traits that you would expect to inherit if Lamarck's explanation of evolution were correct?
if I were to inherit traits based on Lamarcks explanation of evolution were correct we wouldn't be the people we are now. Lamarcks´ explanation was that acquired characteristics were genetically passed to the offspring so if that were so, the human brains would be much more developed, more knowledge, and bigger parts of the body. This question is also tricky since a human would turn out to be a giant by the time they got to the 100th offspring
Are acquired characteristics evidence of evolution?
No, unless the mechanisms by which these traits are acquired are inherited, subject to variation, and found in patterns of nested hierarchies.
Which of lamarcks ideas was later found to be incorrect?
The idea of acquired characteristics. For instance. The idea that a blacksmith, who would develop enormous muscles due to his trade, could pass these physical attributes on to his children.
