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Biogenesis
Earth’s History
Charles
Darwin
Natural Selection
Evidence of
Evolution
Evolution in Action
13
Scientist who Scientist who disproved the disproved the spontaneous spontaneous generation of generation of
fliesflies
15
Scientist who Scientist who disproved the disproved the spontaneous spontaneous generation of generation of
microoganismsmicrooganisms
17
Shape of the Shape of the flask that flask that prevented prevented bacterial bacterial
growth in broth growth in broth for a yearfor a year
21
This gas was This gas was missing from missing from
the early Earth the early Earth atmosphereatmosphere
25
Besides UV Besides UV radiation in the radiation in the
early early atmosphere, this atmosphere, this energy created energy created simple amino simple amino
acidsacids
27
These 2 scientist’s These 2 scientist’s experiment experiment
simulated the simulated the atmosphere of atmosphere of
early Earth & made early Earth & made amino acidsamino acids
36
The mechanism The mechanism proposed by proposed by Darwin for Darwin for
evolutionary evolutionary changechange
38
Darwin used this Darwin used this phrase for phrase for individuals individuals
competing with competing with each othereach other
39
What is the What is the “struggle for “struggle for existence” or existence” or survival of the survival of the
fittest?fittest?
40
Individuals Individuals having different having different
traits in a traits in a populationpopulation
44
A trait that A trait that makes an makes an individual individual
successful in its successful in its environmentenvironment
46
In order to pass In order to pass on traits, an on traits, an
individual must individual must do thisdo this
48
A measure of an A measure of an individual’s individual’s
genetic genetic contribution to contribution to
the next the next generationgeneration
50
Remains or Remains or traces of an traces of an
organism that organism that died long agodied long ago
54
Record of when Record of when different fossils different fossils were found and were found and
organisms organisms existedexisted
56
Rock strata Rock strata where the oldest where the oldest
fossils will be fossils will be foundfound
59
Anatomical Anatomical structures with structures with
similar structures similar structures but different but different
functionsfunctions
61
Galapagos Galapagos tortoises and tortoises and finches were finches were similar to the similar to the finches and finches and
tortoises found tortoises found herehere
63
Scientists study Scientists study this this
macromolecule macromolecule to determine if to determine if organisms are organisms are
relatedrelated
65
Evolution in when Evolution in when species develop species develop
similar similar characteristics characteristics
because of living in because of living in similar similar
environmentsenvironments
67
Type of evolution Type of evolution in which organisms in which organisms
with similar with similar structures develop structures develop
from a common from a common ancestorancestor
69
When species When species evolve and evolve and
spread out to fill spread out to fill all parts of an all parts of an environmentenvironment
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