AP BIOLOGY

Detailed explanation-1: -If an organism had altered its body structure during its lifetime, this characteristic can be passed onto its offspring. To illustrate, if a person spent his lifetime lifting weights to build big muscles, then their offspring would also inherit large muscles. This inheritance idea was later found to be incorrect.

Detailed explanation-2: -Lamarck incorrectly theorized that offspring inherit acquired traits from their parents, but correctly theorized that species evolved from other species.

Detailed explanation-3: -Maternal epigenetic inheritance However, Lamarck’s theory of the inheritance of acquired characteristics was disputed by many biologists because more and more evidence demonstrated that traits and behaviors were the result of natural selection and controlled by genes.

Detailed explanation-4: -Lamarck is best known for his Theory of Inheritance of Acquired Characteristics, first presented in 1801 (Darwin’s first book dealing with natural selection was published in 1859): If an organism changes during life in order to adapt to its environment, those changes are passed on to its offspring.

Detailed explanation-5: -Lamarck proposed theories like the inheritance of acquired characters, use and disuse, increase in complexity, etc. whereas Darwin proposed theories like inheritance, different survival, species variation, and extinction.