Extras
Study Guide
Chapter 8
Evolution and Natural Selection
Flashcards
Self Quiz
Charles
Darwin
published "The Origin of Species" in 1859, based on his observations on a five-year
voyage
around the world.
His observations in South
America
and the
Islands
led Darwin to hypothesize about the
of species.
Evolution
occurs when the
frequencies in a population change.
Four mechanisms can give rise to
.
mutation
genetic drift
and
bottlenecks
migration
and gene flow
natural selection
Over time, populations evolve and become
to their
environments
.
Evidence for evolution includes:
Biogeography
The
fossil
record
The
record.
structures
structures
structures
comparative
The
record
.
Evolution is a random process and does not yield
organisms
.
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