Please enable JavaScript.
Coggle requires JavaScript to display documents.
CH 22 - A Darwinian view of life (Influences on Darwin (Voyage of Beagle…
CH 22 - A Darwinian view of life
3 Main ideas
Unity of life
Diversity of life
The match between organisms and their
environment
Descent with modification
A pattern and a process
Current species are
descendants of ancestral species
Origin of Species
focused biologists’
attention on the great diversity of organisms
Influences on Darwin
Aristotle
Scala naturae
Old Testament
Created & designed individually
Carolus Linnaeus
Created individually for specific purpose
Founded Taxonomy
Binomial format for naming
species
Cuvier
Catastrophism
James Hutton
#
Charles Lyell
Changes in Earth’s surface can
result from slow continuous actions still
operating today
Uniformitarianism states
that the mechanisms of change are constant
over time
#
Principles of
Geology
Earth is more than 6000 years old
#
Lamarck
Species evolve from use or disuse of body parts
Voyage of Beagle
South American Plants and Animals
Fossils resembling living species
Living species resembling nearby species
Earthquake in Chile
Uplift of rocks
Galápagos Islands
Hypothesised link to South American species
#
Change over time
Fossils in strata
Paleontology