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Darwinism

Darwinism is ...

Question

Darwinism is based on which of the following principles?

A

Natural selection

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B

Inheritance of acquired characteristics

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C

Survival of the fittest

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D

Struggle for existence

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Solution

The correct options are
A Natural selection
C Survival of the fittest
D Struggle for existence
Competition between individuals for food, water and other resources existed due to high population. This was described by Darwin as struggle for existence.
Individuals that developed advantageous variations survived better. This was described as survival of the fittest.
Natural selection is the process by which nature selects those individuals who have modifications which help them survive better in that environment.

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Q. Read the following four statements (A - D) related to the comparison of Lamarckism with Darwinism. Select the correct option from below.

A. Lamarck said that all acquired characters are inherited to the next generation.
B. Darwin said that only useful variations are transferred to the next generation.
C. Darwinism believed that the organs which are used have a tendency to grow more.
D. Lamarckism believed in the survival of the fittest.

Q. Which of the following helped Charles Darwin to explain the principle of overproduction of organisms leading to a struggle for existence?

Q. Which one provides the correct sequence of events in origin of species according to Darwinism?
(1) Natural selection

(2) Variations and their inheritance
(3) Survival of fittest

(4) Struggle for existence

Q. Given: 1=natural selection; 2 = variations and their inheritance: 3 = survival of the fittest; 4 = struggle for existence. According to Darwinism, which of the following represents the correct sequence of events in the origin of new species?

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