লামার্ক তত্ত্ব; লামার্কপন্থা;
lamarckism definition
Lamarckism: A theory of evolution that proposes that acquired characteristics can be passed down to offspring.
lamarckism শব্দটির synonyms বা প্রতিশব্দ
Lamarckism,
lamarckism Example in a sentence
Lamarckism, the theory that acquired traits can be passed down to offspring, has been largely discredited.
Lamarck believed that the giraffe’s long neck resulted from its ancestors stretching it to reach leaves on high branches.
While Lamarckism has been disproven, some scientists believe that a modified version of the theory may have some validity.
Epigenetics, the study of how environmental factors can affect gene expression, may provide some support for Lamarckism.
Lamarck’s ideas influenced Darwin’s theory of evolution, although Darwin did not believe in the inheritance of acquired traits.
The giraffe’s long neck is now understood to be the result of natural selection favoring individuals with longer necks.
Lamarck’s theory of use and disuse states that organs that are used more become stronger, while those that are used less become weaker.
Lamarckism was popular in the 19th century, but its popularity declined as Darwin’s theory of natural selection gained acceptance.
Despite its flaws, Lamarckism remains an important historical theory that contributed to our understanding of evolution.
Modern research continues to explore the potential role of epigenetic inheritance, which could potentially provide some support for Lamarckism.