0
Lamarck was correct about the connection between the environment and evolution. He saw that the organism changes based on the environment and its survival. However, Lamarck is not well-known for his advances in the field. Instead, he is known for the incorrect mechanisms for evolution that he proposed, including "use and disuse" and "inheritance of acquired characteristics." (A small note, Lamarck definitely did not have a "theory," he had hypotheses).
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoLamarck's theory of evolution is mostly not accepted by the scientific community today. It was complex, with many smaller pieces that may be true, but his major premise, that acquired traits can be passed on genetically, is false. If you cut off your arm, you will not have one armed children. This distinction gets blurry if you start to take epigenetics into account, but these changes are generally on a very small scale, and difficult to study.
Wiki User
∙ 11y agoNo, Lamarck's hypotheses were wrong. He hypothesised that if an organism uses/exercises an organ, then it will increase in size and strength, and this increase will be passed onto its offspring. One example would be giraffes, stretching their necks to reach higher sources of food, and then giving birth to offspring with even longer necks. Conversely, if a limb is disused, then it may shrink or disappear.
We now know this is incorrect, and Lamarckianism was replaced by evolution by natural selection. Organisms show variation across the species, advantageous variations are passed on to that organism's offspring. To use the giraffe example, if food becomes scarce, the giraffes with slightly longer necks will be able to feed, the ones with shorter ones may die, the genes for longer necks are the ones getting passed onto offspring, and the overall result is the average neck size of the colony will increase.
Wiki User
∙ 14y agoIt is true that certain anatomical structures change in size according to use, but these changes cannot be passed on to the organism's offspring
Wiki User
∙ 10y agonothing is right
Anonymous
Living things change every time
Add your answer:
Earn +20 pts
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
What is a theory called when it is proven to be correct?
A theory is never truly "proven" correct; data can be found time and time again that supports a hypothesis, which may then become a theory, but a theory doesn't really graduate to something else if it "seems" correct. Theories are always being modified as new advancements are made. "Law" (like the law of gravity) is a dated term that essentially equates to a theory in modern science.
Why is number theory important in the field of cryptography?
the never is correct
What is the difference between a scientific theory and just the common theory?
A scientific theory has been tested repeatedly and is correct for all observed results. A common theory (as used in everyday language) is just a guess. http://en.wikipedia.org/wiki/Theory
What is an excellent tool to gauge the reliability of any theory is its capacity to generate correct?
hypotheses
How is lamarcks theory of evolution different from theory of evolution?
Make me cum daddy~! Make me moan~!
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 evidence was there to suggesst that the phlogiston theory was correct?
the evidence that the phlogistan theory was correct was that there was heat and by the way this is definetly correct
How do you spell the word theory?
The correct spelling is 'theory'.
Was lamarcks idea of acquired traits proven or rejected?
rejected.
How is law different from a theory?
A Theory is unproven, but Laws are proven. Theory becomes law after that theory is proven correct.
Which theory do you think is correct?
In order to answer your question we need to know the theory
What is the hypothesis that is accepted as correct?
a theory
What parts of Lamarcks hypotheses have been proved wrong?
Animal behaviors are not inheritable.
How can you prove that this theory is correct?
In science, a theory is, by definition, proven and accepted as fact.
Why was Lamarcks theory disproved?
Weismann started an experiment, where he cut off tails on many mice, and let them live like that. When they had offspring, their offspring had tails, proving that traits that are altered during a life-span, don't get passed on to the next generation
