science
Grade6
Easy
Question
New organs are not developed in organisms by their wish or requirement.
- True
- False
Hint:
Lamarck postulates the new need in his theory of evolution 'Lamarckism'.
The correct answer is 'True'.
- Jean-Baptiste Lamarck proposed his theory 'Lamarck theory; in 1809.
- He proposed various propositions in his theory.
- His theory of new need states that the environment plays a vital role in the changes seen in all organisms. Change in the environment gives rise to the new need to adapt to its surroundings better.
- This new need give rise to new structures and new habits.
- Thus, it is not the wish of the organism to get the new organ but the environment who plays an important role.
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