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What is the base of lamarck theory?
The two concepts of the inheritance of acquired characteristics plus use and disuse of traits.
What was Lamarcks theory?
Lamarck's Hypothesis of Evolution(Small note before answer: Lamarck had a hypothesis, not a theory) Lamarck, as well as other naturalists, hypothesized evolution via environmental change before Darwin. However, many failed to account for changes in the fossil record and interactions of the phenotypes of animals on their environment. Despite Lamarck's advances in the field, he is most remembered in history for the incorrect mechanisms of this evolution that he posited.Lamarck's hypothesis of evolution appeared in his Zoological Philosophical Work written in 1809, featuring two mechanisms of evolutionary change: use and disuse and inheritance of acquired characteristics.His evolutionary hypothesis was as follows:Environmental changes generate new needsThese needs determine the use or disuse of some organsSuch organs develop or are diminishedThe acquired characters are hereditary
Lamarck thought acquired characterisctics could be inherited?
Lamarck put two ideas into his theory of evolution thought to be true in his time.1. Use and disuse - people lose characteristics they don't use and keep the other ones .2. Individuals inherit the traits of their ancestors.So instead of the environment selecting traits, he said that the species selected the traits.Examples of what is traditionally called "Lamarckism" would include:1. Giraffes stretching their necks to reach leaves high in trees (especially Acacias), strengthen and gradually lengthen their necks. These giraffes have offspring with slightly longer necks (also known as "soft inheritance").2. A blacksmith, through his work, strengthens the muscles in his arms. His sons will have similar muscular development when they mature.
How did Lamarck think species evolve?
Lamarck's theory is that an organism can pass traits to their offspring that they have acquired in their lifetime. One example commonly used is that he felt giraffes acquired long necks because of generations of them stretching and trying to reach higher leaves on the tree. He thought that these stretched muscles would be passed down to their offspring. This has been proven wrong because this is not how evolution takes place. If you would cut off the tails of two mice and then breed them their offspring would not have short tails.
It seems my two male hamster have can you explain that plse?
They proably think the other hamster is the opposite sex of them or they are just gay hamsters.
Who is lamarck and what is his scientific evidence?
LAMARCK proposed the concepts of evolution called as Lamarckism.his theory consisted of two headings 1-use and dis use of organs 2-in heritance of acquired characters...
Who were the two scientists who proposed the theory of seafloor spreading in the early 1960s?
While two people proposed continental drift (Alfred Wegener and Alexander du Toit), it was just ONE scientist Harry Hess that proposed the mechanism of sea floor spreading to explain how the continents actually moved.
Who were the two scientists who proposed the theory of seafloor spreading in the early 1960?
While two people proposed continental drift (Alfred Wegener and Alexander du Toit), it was just ONE scientist Harry Hess that proposed the mechanism of sea floor spreading to explain how the continents actually moved.
Who were the two scientists who proposed the theory of seafloor spreading in early 1960s?
While two people proposed continental drift (Alfred Wegener and Alexander du Toit), it was just ONE scientist Harry Hess that proposed the mechanism of sea floor spreading to explain how the continents actually moved.
What two ideas did Darwin use to explain evolution?
natural selection and common descent
Was lamarck's theory accepted or rejected?
His theory of use and disuse was rejected.
Why is a divided government likely to lead to lower federal spending?
The two different parties have two different ideas. Each party has the opportunity to block the most divirse measure proposed by the other party.
What is the base of lamarck theory?
The two concepts of the inheritance of acquired characteristics plus use and disuse of traits.
Who are amendments proposed by?
Amendments are proposed by a two-thirds vote from Congress. An amendment can also be proposed by a convention called by Congress, if two-thirds of the states request it.
In what two ways can an amendment be proposed?
Amendments to the U.S. Constitution can be proposed by approval of two-thirds of each house of the U.S. Congress. They can also be proposed by a Constitutional Convention called by two-thirds of states legislatures.
Which two men proposed the collision theory?
The two men who proposed the collision theory are Max Trautx and William Lewis. The theory which was proposed in 1918 explains how chemical reactions occur.
In one page describe the two areas and explain your proposed improvements. It may be that you will need to make requests or recommendations to a supervisor or perhaps you have the authority to impleme?
Identify two areas in which you feel you and/or your Field Experience site's program can improve.
