Darwins theory of evolution by natural selection:
o What were his main observations during the voyage of the Beagle?
Fossil mammals in south America similar yet different from presentday llamas, sloths and armadillos
Finches and giant tortoises living o
What do relative dating and absolute dating mean?
Relative dating: placing geologic events in a sequential order for
hundreds of years
Absolute Dating: the process of determining an approximate
computed age in archaeology and geology
Paleozoic Earth History
When did he Paleozoic start and end? What are the periods of the Paleozoic?
542 mya; Cambrian, Ordovician, Silurian, Devonian, carboniferous,
Paleozoic history of continents: mountain building at margins,
Paleozoic Life History
What is the Cambrian Explosion?
beginning of the Paleozoic era: animals with skeletons appeared abruptly in
the fossil record
Triggers: Likely a combination of factors, both biological and
o Climate chang
Why can we say that the Earth is a dynamic and evolving planet?
O Examples from landscape and life history
o Which are the 4 major subsystems, some of their characteristics?
o Examples for some interactions between these s