Lamarck Argued That Long-Legged Wading Birds Are Descended from Short-Legged

Multiple Choice

Lamarck argued that long-legged wading birds are 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