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CAMBRIAN PERIOD

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by

Daniela Villavicencio

on 21 August 2013

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Transcript of CAMBRIAN PERIOD

CAMBRIAN PERIOD
CAMBRIAN PERIOD
Orientation of continents
Atmosphere at this
time
Dominant organisms
SMALL SHELLY FAUNA
HALLUCIGENIA
TRILOBITE
ANOMALOCARIS
AYSHEAIA
Between
~ 542 mya and ~ 490 mya
Time Frame
OXYGEN
13 %
CARBON DIOXIDE
11 Times more than in
our current atmosphere
Our Chordate ancestors
Full transcript