Lamarck argued that long-legged wading birdsare descended from short-legged ancestors that stretched their legs to

stay dry while feeding in shallow water, and consequently produced offspring with slightly longer legs. Which mechanism
did he use to support this argument?



a. principle of use and disuse
b. theory of catastrophism
c. inheritance of acquired characteristics
d. natural selection
e. evolution of vestigial structures


ANSWER: c

Biology & Microbiology

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Which of the following gives the most accurate measure of relative economic prosperity?

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Answer the following statements true (T) or false (F)

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Anabolic reactions may be characterized as

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