How did Lamarck’s theory of evolution DIFFER from that of Darwin’s? Lamarck believed that Earth was...

How did Lamarck’s theory of evolution DIFFER from that of Darwin’s?

Lamarck believed that Earth was old enough to provide a sufficient time scale for the process of evolution.

Lamarck believed that the environment played a significant role.

Lamarck believed that characteristics acquired during an organism’s lifetime could be passed on to the next generation.

Lamarck believed that acquired character during an organism’s lifetime could not be passed on to the next generation.

Expert Solution

Answer-

According to the given question-

We know that the Lamarck proposed Theory of Inheritance of Acquired Characteristics, in the year of 1801, while Darwin's book based on natural selection in the year of 1859. According to Lamarck, organism changes during their lifetime, because they want to adjust themselves according to the environment, and these changes are transferred from the parents to their offspring.
So the change in characteristics is due to need for organisms. E.g. initially the elephants have short trunks, but when there is the scarcity of water, as well as food, observed, then the elephants started to stretch their trunks to get the branches of trees and water, and these characteristics are inherited in their offspring and the offspring born with the long trunks.
Darwin theory was based on biological evolution, and according to him, all species of organisms develop and arise through the process of natural selection, due to small, change, that causes the capability of an organism to compete with the other organism, survive according to the environment and also capable of producing their offspring.
So the theories of Darwin was different than the Lamarck because Lamarck observed that the change in organisms characteristics occurs due to change in environment, because they have to survive in that particular environment but Darwin observed that the change in organisms is due to chance, during their birth and due to change in the environment.
So the Lamarckism is a theory of evolution, which is based on the principle that the changes in physical characteristics occur in organisms during their lifetime and these changes are transmitted from parents to their offspring.

Thus the correct answer is (C)

gladiator answered 1 year ago

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