Compare Lamarck's and Darwin's theory.
Answers
Answer:
Lamarck: Organisms change over their lifetime to better survive in their environment. These changes are passed onto their offspring. ... Darwin: Organisms are born better or worse suited to surviving in their environment. The worse-suited organisms are less likely to survive or produce viable offspring.
Answer:
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Explanation:
Lamarckism:
1. This theory states that there is an internal vital force in all organisms.
2. Lamarckism considers new needs or desires produce new structures and change habits of the organisms.
3. According to this theory if an organ is constantly used it would be better developed whereas disuse of organ results in its degeneration.
4. It does not consider struggle for existence.
5. All the acquired characters are inherited to the next generation.
6. Lamarckism does not believe in survival of the fittest.
Darwinism:
1. It does not believe in the internal vital force.
2. They do not form part of Darwin’s natural selection theory.
3. An organ can develop further or degenerate only due to continuous variations.
4. Struggle for existence is very important in this theory.
5. Only useful variations are transferred to the next generation.
6. Darwin’s natural selection theory is based on survival of the fittest.......