Evolution 1

Who proposed the theory of natural selection?

• • A) Jean Lamarck

• • B) Charles Darwin

• • C) Robert Hooke

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• • D) Gregor Mendel

The theory of acquired characteristics was proposed by:

• • A) Charles Darwin

• • B) Alfred Wallace

• • C) Jean Lamarck

• • D) Louis Leakey

According to Lamarck’s theory, which of the following is the basis for evolution?

• a) Natural selection
  

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  b) Inheritance of acquired traits
  

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  c) Survival of the fittest
  

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  d) Genetic mutations

Which example supports Lamarck’s theory of evolution?

• a) Giraffes developing long necks by stretching to reach higher leaves
  

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  b) Peppered moths changing color due to industrial pollution
  

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  c) Antibiotic resistance in bacteria
  

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  d) Variations in beak shapes of finches

What was the main flaw in Lamarck’s theory of evolution?

• a) It did not account for the role of environment.

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  b) It was based on artificial selection.
  

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  c) Acquired traits are not inherited genetically.

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  d) It ignored the struggle for existence.

Darwin’s theory of evolution is based on which key principle?

• a) Use and disuse of organs
  

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  b) Inheritance of acquired characteristics
  

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  c) Natural selection
  

• d) Spontaneous generation

According to Darwin, which factor leads to evolution?

• a) Acquired traits
  

• b) Use and disuse

• c) Variations and natural selection

• d) Striving for perfection in organisms