Lamarck believed that parts of the body that are used are strengthened and improved,whereas parts of the body that are not become weak and might disappear.This is the principle of:
A)Lamarckism
B)strength and weakness
C)use and disuse
D)inheritance and disinheritance

Question

Quizplus · Accepted Answer

Lamarck's principle is known as "use and disuse", which proposes that if an organism uses or exercises a particular body part or structure, it becomes stronger and more developed, while unused parts or structures could become weaker, degenerate, or disappear over time. This principle is a core component of Lamarckism, which states that acquired traits can be passed down to offspring.

Lamarck Believed That Parts of the Body That Are Used