1 2 Biogenesis 3 Earth’s History 4 Charles Darwin.

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BiogenesisBiogenesis

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Earth’s Earth’s HistoryHistory

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Charles Charles DarwinDarwin

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Natural Natural selectionselection

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Evidence Evidence of of

EvolutionEvolution

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Evolution in Evolution in ActionAction

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Biogenesis

Earth’s History

Charles

Darwin

Natural Selection

Evidence of

Evolution

Evolution in Action

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Idea that life Idea that life could come could come

from nonliving from nonliving thingsthings

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What is What is spontaneous spontaneous generation?generation?

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The reason The reason maggots maggots

appear on appear on rotting meatrotting meat

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What is flies lay What is flies lay eggs that hatch eggs that hatch

on the meat?on the meat?

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Scientist who Scientist who disproved the disproved the spontaneous spontaneous generation of generation of

fliesflies

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Who is Redi?Who is Redi?

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Scientist who Scientist who disproved the disproved the spontaneous spontaneous generation of generation of

microoganismsmicrooganisms

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Who is Who is Pasteur?Pasteur?

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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

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What is S-What is S-shaped or shaped or curved? curved?

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Estimated age Estimated age of the Earthof the Earth

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What is 4 billion What is 4 billion years old?years old?

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This gas was This gas was missing from missing from

the early Earth the early Earth atmosphereatmosphere

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What is What is oxygen (Ooxygen (O22)?)?

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Habitat for the Habitat for the first life forms on first life forms on

EarthEarth

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What are oceans What are oceans and seas?and seas?

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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

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What is What is lightening or lightening or electricity?electricity?

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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

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Who are Miller Who are Miller and Urey?and Urey?

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The ship Darwin The ship Darwin sailed on as its sailed on as its

naturalistnaturalist

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What is the What is the H.M.S. Beagle?H.M.S. Beagle?

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Title of the book Title of the book written by written by

Charles DarwinCharles Darwin

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What is What is Origin of Origin of SpeciesSpecies??

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Islands studied Islands studied by Charles by Charles

DarwinDarwin

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What are the What are the Galapagos Galapagos Islands?Islands?

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The mechanism The mechanism proposed by proposed by Darwin for Darwin for

evolutionary evolutionary changechange

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What is natural What is natural selection?selection?

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Darwin used this Darwin used this phrase for phrase for individuals individuals

competing with competing with each othereach other

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What is the What is the “struggle for “struggle for existence” or existence” or survival of the survival of the

fittest?fittest?

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Individuals Individuals having different having different

traits in a traits in a populationpopulation

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What is genetic What is genetic variation?variation?

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Man responsible Man responsible for this theoryfor this theory

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Who is Charles Who is Charles Darwin?Darwin?

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A trait that A trait that makes an makes an individual individual

successful in its successful in its environmentenvironment

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What is an What is an adaptation?adaptation?

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In order to pass In order to pass on traits, an on traits, an

individual must individual must do thisdo this

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What is What is reproduce?reproduce?

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A measure of an A measure of an individual’s individual’s

genetic genetic contribution to contribution to

the next the next generationgeneration

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What is fitness?What is fitness?

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Remains or Remains or traces of an traces of an

organism that organism that died long agodied long ago

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What is a fossil?What is a fossil?

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Term that means Term that means a species no a species no longer existslonger exists

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What is extinct?What is extinct?

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Record of when Record of when different fossils different fossils were found and were found and

organisms organisms existedexisted

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What is a What is a geologic geologic

timescale?timescale?

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Rock strata Rock strata where the oldest where the oldest

fossils will be fossils will be foundfound

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What are the What are the bottom most bottom most

layers? layers?

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Anatomical Anatomical structures with structures with

similar structures similar structures but different but different

functionsfunctions

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What are What are homologous homologous structures? structures?

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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

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What is the What is the mainland of mainland of

South America? South America?

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Scientists study Scientists study this this

macromolecule macromolecule to determine if to determine if organisms are organisms are

relatedrelated

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What is DNA or What is DNA or nucleic acid?nucleic acid?

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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

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What is What is convergent convergent evolution?evolution?

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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

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What is What is divergent divergent evolution?evolution?

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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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What is adaptive What is adaptive radiation?radiation?

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Fossils

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Technique used to

determine the absolute age

of a fossil

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What is radiometric

dating?