Descent with Modification:
A Darwinian View of Life
Overview: Endless Forms Most Beautiful
A new era of biology began in 1859 when Charles Darwin
published
The Origin of Species
The Origin of Species
focused biologists’ attention on the
great diversity of organisms
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Darwin noted that current species are descendants of
ancestral species
Evolution
can be defined by Darwin’s phrase
descent
with modification
Evolution can be viewed
as both a pattern and a
process
How can this beetle survive in the desert, and what is it doing?