Chapter 11
Doomed Rivals
Lamarckism
REJECTEDAcquired traits cannot be inherited
Mutationism
REJECTEDMutations are random, not directed
Creationism
REJECTEDLacks evidence, unscientific
Natural Selection
ACCEPTEDThe only viable explanation
Summary
Refutes other evolutionary theories besides natural selection (such as Lamarckism and mutationism), arguing that natural selection is the only viable theory for explaining complex adaptation.