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Lamarck give the idea that an organism can pass on characteristics that it acquired during its lifetime to its offspring. Also known as heritability.

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Q: What is Lamarckism?
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What replace Lamarck's theories?

lamarckism


Why was lamarckism discredited?

Because even back then they still knew enough about things to know that his theory was absurd.


Why would you choose Natural Selection over Lamarckism?

Creationism should be chosen over those two any day.


What means lamarckism?

Lamarck give the idea that an organism can pass on their characteristics that it have acquired during its lifetime to its offspring. Also known as heritability of acquired characteristics.


The statement Improving the intelligence of an adult through education will result in that adult's descendants being born with a greater native intelligence is an example of?

It is an example of Lamarckism.


What is weismans experiment to disprove lamarckism?

August Weismann disproved, or attempt to disprove the theory of Lamarckism (which states that: the adaptive trait gained by an organism during its life time can transfer to the new generation of organism; in contrast, proponents of this theory states: changes to genes can only be done through natural selection, and the experiences of changes to an organism's genes during its life time does not transfer), by cutting off the tails of mice, for many generations to observe changes to their traits. However, after many generations, no changes to the tail lengths of mice were observed. Thus, with this experiment and many that followed it, most considered Lamarckism to be disproved. However, during recent years, Lamarckism has garnered considerable interests, as observations have shown that Lamarckism does exist. For example, the epidemics of the population whose previous generation has experienced starvation is more likely to produce children, who, for generations, is likely to have genes with higher risk of high blood pressure.


Are all different types of traits the result of adaptation.explain?

No. You are describing what is called Lamarckism. Different traits are the results of the alleles found in genes. The environment does push one trait over another if the environment becomes extreme. You will see many traits in a population (such as in a human population) but one is not favored unless that trait allows those that have it to do better.


What type of scientist was Lamarck?

Jean- Baptiste Lamarck was a naturalist (now known as a biologist). He was not formally a biologist because that branch of science had not yet been formed. In fact he was one of the first people to use the term biology to describe life sciences. He is best remembered for his evolutionary theory of Lamarckism which proposes that offsprings inherit acquired characteristics from its parents.


What did Charles Darwin not know about genetics?

Darwin would not have known anything about genetics, which is why his theory was discredited initially, there was no mechanism for random mutation currently understood. On the other hand, the scientific evidence of the time supported Lamarck's theories, which with new understanding have been more or less discredited (ignoring neo-lamarckism and similar theories) which did not require any undiscovered mechanisms.


Improving the intelligence of an adult through education will result in that adult's descendants being born with a greater native intelligence This statement is an example of?

the fallacy of Lamarckian inheritance. It suggests that acquired traits can be passed down to future generations, which is not supported by scientific evidence. Intelligence is influenced by a combination of genetic and environmental factors, and improving an adult's education will not directly affect the genetic makeup of their descendants.


What did LaMarck do?

Jean-Baptiste LaMarck's evolution theories included soft inheritance, Lamarckism. The idea that an organism can pass on characteristics it acquired during it's lifetime onto it's offspring, a use/disuse theory(i.e., burrowing animals such as a mole now have small eyes due to disuse). In 1801, he published a major work in the classification of invertebrates, a term he coined. In 1802, he was one of the first scientists to use the term biology in modern sense.


How did discoveries and theories of Charles Darwin affect the way people in Europe and the US view social issues?

They didn't. What you are speaking of is called social Darwinism and it should have been called social Spencerism because Herbert Spencer mistakenly applied the theory of evolution by natural selection to social theory and thus committed the naturalistic fallacy and Lamarckism at the same time. Just because something is natural does not mean it is good and how this " superior " social class viewed hereditary was straight out of Lamarck. Darwin wanted nothing to do with this mistaken notion.