Lamarck's Hypothesis of Evolution pt.1

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Questions and Answers

According to Lamarck's hypothesis of evolution, species evolve through which mechanisms?

  • Natural selection and genetic mutation
  • Use and disuse of body parts and inheritance of acquired characteristics (correct)
  • Competition for resources and survival of the fittest
  • Random genetic drift and gene flow

Which statement best describes Lamarck's hypothesis of evolution?

  • Species evolve through the competition for resources and survival of the fittest
  • Species evolve through natural selection and genetic mutation
  • Species evolve through the use and disuse of body parts and the inheritance of acquired characteristics (correct)
  • Species evolve through random genetic drift and gene flow

What is the main difference between Lamarck's hypothesis and the mechanisms proposed by Darwin?

  • Lamarck's hypothesis focuses on natural selection, while Darwin's mechanisms focus on genetic mutation
  • Lamarck's hypothesis includes the inheritance of acquired characteristics, while Darwin's mechanisms do not (correct)
  • Lamarck's hypothesis is supported by evidence, while Darwin's mechanisms are not
  • Lamarck's hypothesis involves the use and disuse of body parts, while Darwin's mechanisms involve competition for resources

What was Charles Darwin's occupation during the five-year voyage on the Beagle?

<p>Naturalist and companion to Captain Robert FitzRoy (C)</p> Signup and view all the answers

What did Charles Darwin collect during his travels on the Beagle?

<p>South American plants and animals (A)</p> Signup and view all the answers

What was Charles Darwin's main area of study at Cambridge University?

<p>Theology (B)</p> Signup and view all the answers

What was Lamarck's hypothesis of evolution based on?

<p>Evidence from the use and disuse of body parts (B)</p> Signup and view all the answers

Which of the following is NOT a mechanism proposed by Lamarck?

<p>Competition for resources (C)</p> Signup and view all the answers

What is the current scientific consensus on Lamarck's hypothesis of evolution?

<p>It is widely rejected and not supported by evidence (A)</p> Signup and view all the answers

What is the main focus of Darwin's mechanisms of evolution?

<p>Genetic mutation and natural selection (C)</p> Signup and view all the answers

What did Darwin observe about fossils and living species?

<p>Fossils resembled living species but living species resembled other species (B)</p> Signup and view all the answers

What influenced Darwin's belief that Earth was more than 6,000 years old?

<p>The Principles of Geology by Lyell (B)</p> Signup and view all the answers

What did Darwin infer from the uplift of rocks on the coast of Chile?

<p>The similarity between geological processes and fossil findings (D)</p> Signup and view all the answers

What sparked Darwin's interest in the geographic distribution of species?

<p>The voyage of the Beagle (D)</p> Signup and view all the answers

What did Darwin hypothesize about the species from South America and the Galápagos Islands?

<p>They speciated on the islands (C)</p> Signup and view all the answers

How do biologists believe the diverse group of Galápagos finches arose?

<p>Through the gradual accumulation of adaptations (C)</p> Signup and view all the answers

When did Darwin write an essay on natural selection as the mechanism of descent with modification?

<p>In 1844 (C)</p> Signup and view all the answers

What did Darwin observe about beak variation in Galápagos finches?

<p>Beak shapes were influenced by diet (A)</p> Signup and view all the answers

What did Darwin perceive as closely related processes?

<p>Adaptation to the environment and natural selection (C)</p> Signup and view all the answers

What did Darwin observe about the resemblance between fossils and living species?

<p>Fossils and living species resembled each other (D)</p> Signup and view all the answers

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