CH 9: History of Evolutionary Thought

Who proposed natural selection as the mechanism of evolution?

How did Darwin's theory differ from Lamarck's?

What concept is suggested by punctuated equilibrium?

Which theory explains why the fossil record may show sudden changes?

What was the fundamental concept behind Darwin's theory of natural selection?

Which scientist proposed punctuated equilibrium as a theory of evolution?

How did punctuated equilibrium differ from traditional gradual evolution?

Which theory highlighted random variation and selective survival as key components of evolution?

Who proposed the theory of Lamarckism in the early 19th century?

What is another name for Lamarck's theory?

According to Lamarckism, how do organisms pass on traits to their offspring?

What did Lamarck propose as the reason for giraffes developing long necks?

Why was Lamarckism later debunked by scientists?

What term refers to the concept that body parts used extensively become stronger and better developed?

Which scientist's theory was widely accepted at the time but later disproved due to new scientific evidence?

What key concept of Lamarckism implied that unused body parts would deteriorate over time?

'The theory of inheritance of acquired characteristics' is associated with which evolutionary biologist?

According to Lamarck, what happens to body parts that are not used by an organism?

What did Charles Darwin propose as the mechanism of evolution in his work 'On the Origin of Species'?

How did Darwin's theory differ from Lamarck's theory of evolution?

Which theory suggests that species undergo long periods of stability interrupted by short bursts of significant change?

What concept was a significant shift in evolutionary thought represented by Darwin's theory?

Which theory introduced the idea that evolution does not have an inherent drive toward perfection or complexity?

According to Darwin, what allows certain individuals to survive and reproduce more effectively than others?

What did punctuated equilibrium explain regarding the fossil record?

Which evolutionary biologist proposed a theory that suggested species undergo long periods of stability interrupted by short, rapid bursts of significant change?

What fundamental concept did Lamarck's theory emphasize regarding the development of traits?

Which theory added complexity to the understanding of evolution by suggesting that the pace of evolution is not constant?

What was one of the key ideas proposed by Lamarck in his theory of inheritance of acquired characteristics?

What concept did Lamarck's theory suggest regarding the development of body parts in organisms?

Which aspect of Lamarckism was later contradicted by new scientific evidence?

In Lamarckism, what was suggested as the reason for giraffes developing long necks?

Which key element of evolutionary thought did Lamarckism focus on?

What major scientific advancement played a role in debunking Lamarckism as a valid evolutionary theory?

How did Lamarck explain the development of certain body parts in organisms according to his theory?

What was a fundamental principle behind Lamarck's theory that was later refuted by new scientific understanding?

What was one of the criticisms against Lamarck's theory of inheritance of acquired characteristics?

What aspect of Lamarckism was contradicted by the understanding that genetic traits are passed through genes?

What key aspect of Lamarckism was refuted by the understanding that genetic traits are passed through genes and cannot be altered by an individual's experiences or behavior?

Which concept of Lamarckism implied that unused body parts deteriorate over time?

What was the primary reason Lamarckism was later debunked by new scientific evidence?

What fundamental concept was a cornerstone of Lamarck's theory regarding the development of traits in organisms?

Which evolutionary theory introduced the idea that body parts used extensively become stronger and better developed while those not used deteriorate?

What key principle behind Lamarckism was later contradicted by new scientific understanding?

Why did Lamarck suggest that giraffes developed long necks?

What significant aspect of Darwin's theory distinguished it from Lamarckism?

What was one of the primary criticisms against Lamarck's theory of inheritance of acquired characteristics?

Which key concept introduced by Darwin's theory contributed to the understanding of evolution?

What did Lamarckism propose as a mechanism for organisms passing on traits to their offspring?

What was a significant departure of punctuated equilibrium from traditional gradual evolution?

What significant shift in evolutionary thought did Darwin's theory bring about in contrast to Lamarckism?

According to Darwin, what allows certain individuals to survive and reproduce more effectively than others?

Which scientist's theory proposed that species undergo long periods of stability interrupted by short bursts of significant change?

What did punctuated equilibrium explain regarding transitions in the fossil record?

What was a fundamental concept suggested by Lamarck regarding the development of body parts in organisms?

Which concept was a significant shift represented by Darwin's theory compared to Lamarckism?

What was a fundamental idea proposed by Lamarck in his theory?

Which theory added complexity to the understanding of evolution by suggesting that evolution's pace is not constant?