Lamarck's proposal of the inheritance of acquired characteristics included the idea that
A) the continual stretching of giraffe's necks to reach leaves led to longer necks.
B) local catastrophes cause mass extinctions of species.
C) species are only produced through special creation.
D) species are fixed and unchanging over time.
E) organisms are acted on by the environment.

Question

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Lamarck proposed that an organism can pass on traits that it acquired during its lifetime to its offspring. For example, he believed that giraffes developed longer necks because they continually stretched them to reach leaves, and this acquired characteristic was passed on to their offspring.

Lamarck's Proposal of the Inheritance of Acquired Characteristics Included the Idea