Lamarck’s theory of evolution included the supposition that traits developed over an individual’s _________ are passed on to his or her offspring.
lifetime
The last chapters of ‘On the Origin of Species” summarize the theory if _______ descent.
common
Darwin’s essential contribution to the science of evolutionary biology was that he collected numerous lines of ______ in support of the theory.
Evidence
A _________ creates or effect cannot be objectively observed, so hypotheses including these effects are not testable by the scientific method.
Supernatural
Competing ideas about “how the world works” are referred to as alternative _______.
hypothesis