Which of the following ideas proposed by Lamarck was not...

Name: Problem 8, Chapter 20: Biology: The Dynamic Science
Uploaded: 2021-07-18T00:23:18-08:00
Duration: 1 min 22 s
Channel: Joanna Quigley
Description: Which of the following ideas proposed by Lamarck was not included in Darwin's theory? a. Organisms change in response to their environments. b. Changes that an organism acquires during its lifetime are passed to its offspring. c. All species change with time. d. New variations may be passed from one generation to the next. e. Specific mechanisms cause evolutionary change.

Which of the following ideas proposed by Lamarck was not included in Darwin's theory? a. Organisms change in response to their environments. b. Changes that an organism acquires during its lifetime are passed to its offspring. c. All species change with time. d. New variations may be passed from one generation to the next. e. Specific mechanisms cause evolutionary change.

Which of the following ideas proposed by Lamarck was not included in Darwin's theory?
a. Organisms change in response to their environments.
b. Changes that an organism acquires during its lifetime are passed to its offspring.
c. All species change with time.
d. New variations may be passed from one generation to the next.
e. Specific mechanisms cause evolutionary change.

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Key Concepts

Inheritance of Acquired Characteristics

This concept involves the idea that traits an organism develops over its lifetime due to environmental influences can be passed directly to its offspring. It is a cornerstone of Lamarckian theory but is not a component of Darwin’s explanation for evolutionary change.

Natural Selection

As the central mechanism of Darwin's theory, natural selection explains evolution by proposing that organisms with traits better adapted to their environment have a higher chance of surviving and reproducing. This process leads to gradual changes in a population over time without involving the inheritance of acquired traits.

Comparative Evolutionary Theories

This key concept involves contrasting different explanations for evolution. While Lamarckian evolution emphasizes changes acquired during an organism’s lifetime being transmitted to offspring, Darwinian evolution is based on natural selection acting on random, heritable variations. Understanding these differences is crucial for grasping how modern evolutionary theory developed.

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