Difference Between Darwinism and Lamarckism
Lamarckism maintains that living things contain a vital internal force, while Darwinism promotes natural selection. Check this article to know more about the difference between Darwinism and Lamarckism.
Jasdeep Bhatia9 Mar, 2024
Share
Difference Between Darwinism and Lamarckism: The concept of evolution has been a subject of interest for scientists for centuries. Two of the most prominent theories that explain the process of evolution are Darwinism and Lamarckism. While both theories aim to explain how species change over time, they differ significantly in their fundamental principles.
In this article, we will explore the key differences between Darwinism and Lamarckism, their respective limitations, and their significance in modern evolutionary biology.Difference Between Centipede And Millipede
Explanation of Darwinism
Darwinism is a theory that was introduced by Charles Darwin in the mid-19th century. It explains the process of evolution through the principle of natural selection. Natural selection is the process by which organisms with traits that are advantageous for survival are more likely to pass on their genes to the next generation. The principle of descent with modification explains that species change over time through the accumulation of small, inherited variations. Examples of Darwinism in action can be seen in the evolution of the peppered moth in England. Prior to the industrial revolution, the light-colored moths were better camouflaged against the light-colored trees. However, with the increase in pollution, the trees became darker, and the dark-colored moths became better camouflaged. As a result, the dark-colored moths had a higher survival rate and were more likely to pass on their genes.Difference Between Chromosome and Chromatid
Explanation of Lamarckism
Lamarckism is a theory that was introduced by Jean-Baptiste Lamarck in the late 18th century. It explains the process of evolution through the theory of inheritance of acquired traits. The theory states that organisms can pass on characteristics acquired during their lifetime to their offspring. The principle of use and disuse suggests that organs that are used more become stronger, while those that are not used deteriorate. Examples of Lamarckism in action can be seen in the elongated necks of giraffes. According to Lamarckism, giraffes developed long necks because they constantly stretched their necks to reach the leaves on tall trees. This increased use of the neck muscles led to the elongation of the giraffe's neck, which was passed on to their offspring.Related Links -
Comparison of Darwinism and Lamarckism
The key difference between Darwinism and Lamarckism lies in their principles of inheritance. Darwinism suggests that traits are inherited through genes, while Lamarckism suggests that acquired traits can be passed on to offspring. This fundamental difference has significant implications for evolutionary processes. In Darwinism, natural selection acts on genetic variation, leading to changes in the gene pool of a population. In Lamarckism, changes occur in response to environmental factors, leading to adaptations that are passed on to offspring. Another key difference between the two theories is the role of genetics. Darwinism explains the process of evolution through the accumulation of small genetic variations, while Lamarckism suggests that traits are acquired through environmental factors. The advent of modern genetics has confirmed the importance of genetic variation in evolution, lending support to the principles of Darwinism.Difference Between Cross Pollination and Self Pollination
Criticisms of Darwinism and Lamarckism
While both Darwinism and Lamarckism have made significant contributions to our understanding of evolution, they have their respective limitations. Darwinism is criticized for its focus on individual traits, neglecting the importance of the ecological context in which these traits are expressed. Additionally, Darwinism cannot explain the evolution of complex traits such as intelligence or language. Lamarckism is criticized for its lack of empirical evidence. The principle of inheritance of acquired traits has not been supported by scientific research, and the theory has been largely discredited. Modern criticisms of both theories suggest that a combination of genetic and environmental factors is involved in the evolution of traits. Darwinism and Lamarckism are two theories that have significantly contributed to our understanding of evolution. While Darwinism emphasizes genetic variation and natural selection, Lamarckism focuses on acquired traits and environmental factors. Understanding the differences between these two theories is essential for modern evolutionary biology. By combining the principles of both theories, researchers can gain a more complete understanding of the complex processes involved in evolution.Difference Between Darwinism and Lamarckism FAQs
Is Darwinism still relevant today?
Yes, Darwinism is still relevant today. The principles of natural selection and genetic variation continue to be important concepts in modern evolutionary biology.
Did Lamarckism play a role in the development of modern evolutionary theory?
While Lamarckism was an influential theory in the 19th century, it has largely been discredited in modern evolutionary biology. The principles of Darwinism have had a greater impact on the development of modern evolutionary theory.
Can acquired traits be passed on to future generations according to Darwinism?
No, acquired traits cannot be passed on to future generations according to Darwinism. Genetic variation is the primary factor that drives evolution in Darwinism.
How do Darwinism and Lamarckism explain the evolution of complex traits such as intelligence?
Darwinism cannot explain the evolution of complex traits such as intelligence. Lamarckism suggests that acquired traits can be passed on to future generations, but this theory has been largely discredited.
🔥 Trending Blogs
Talk to a counsellorHave doubts? Our support team will be happy to assist you!
Check out these Related Articles
Join 15 Million students on the app today!
Live & recorded classes available at easeDashboard for progress trackingMillions of practice questions at your fingertips
Free Learning Resources
PW Books
Notes (Class 10-12)
PW Study Materials
Notes (Class 6-9)
Ncert Solutions
Govt Exams
Class 6th to 12th Online Courses
Govt Job Exams Courses
UPSC Coaching
Defence Exam Coaching
Gate Exam Coaching
Other Exams
Know about Physics Wallah
Physics Wallah is an Indian edtech platform that provides accessible & comprehensive learning experiences to students from Class 6th to postgraduate level. We also provide extensive NCERT solutions, sample paper, NEET, JEE Mains, BITSAT previous year papers & more such resources to students. Physics Wallah also caters to over 3.5 million registered students and over 78 lakh+ Youtube subscribers with 4.8 rating on its app.
We Stand Out because
We provide students with intensive courses with India’s qualified & experienced faculties & mentors. PW strives to make the learning experience comprehensive and accessible for students of all sections of society. We believe in empowering every single student who couldn't dream of a good career in engineering and medical field earlier.
Our Key Focus Areas
Physics Wallah's main focus is to make the learning experience as economical as possible for all students. With our affordable courses like Lakshya, Udaan and Arjuna and many others, we have been able to provide a platform for lakhs of aspirants. From providing Chemistry, Maths, Physics formula to giving e-books of eminent authors like RD Sharma, RS Aggarwal and Lakhmir Singh, PW focuses on every single student's need for preparation.
What Makes Us Different
Physics Wallah strives to develop a comprehensive pedagogical structure for students, where they get a state-of-the-art learning experience with study material and resources. Apart from catering students preparing for JEE Mains and NEET, PW also provides study material for each state board like Uttar Pradesh, Bihar, and others
Copyright © 2025 Physicswallah Limited All rights reserved.