module 4.1
WEarth4.6billionyearsold
Lifestarted3s billionyearsold
Earthzooyears ancesor
i
Cambriaexplosionbacksus
million
rapiddiversificationorganisms ago
years old earthchange
multicelledorganisms overtime modernspecies
Isis
modernmarineanimalgroupsappeard noexplinition oneanotherevolve
overtime
g am Lamarknaturalist wallaceDawn
4 boescent
www
withmodification
am
inheritenceotaquired
conceptofnatural
selection
DawnTravelled
Lamarking
IIh
w immensediversityorganisms Extant Extinct
ig
mama
reacnfoodnignu
tostrangedistributionofdifferentspecies differentspeciesinsimilarclimate
is
raeneanger.us.on.ca moreiiiceiy
giraffeoffspinginherit
long
neck giraffe'soffspringinheritlong
n
Dawin Originofspecies
1 Descentwithmodificationevidencedivesityotspecies evolutionancientancesto
selectionmechanismcausingevolution organisms bestsuitedenviron
DawnBelieves
o rganismsdescendedfrom
gynatural
ancestor
leavethemostoffspring
anoaitehabitats
related common
oaite
environmentalconditions
oniversificationbybrancning
osomespeciesareout
Evidencetosupportthetheoryofevolutiono
Fossils
bing.EE IYuiarbioiogT
lomologiestcomparativeanatomy
kmsaie
preserved
embryology
vestigial
organs fossils
wmold arossiliezedimpressionmadeinone substrate
Biodiversity
my wastfossilsformed unenamondisfined
tracefossils
fossilized
nestsfootprintsburrows
trueformfossils fossilsofactualanimals
rejoin
1 unalteredpreservation insects orplantstrappedinambertreesar
destroyed
2 Permineralization petrification rocklikemineralsslowlyreplaceoriginalorganictissues preservesoftplant
ageslayers sediment
buildup
pressdownburriedremains
agesDissolvedmineralstransportedbygroundwatersinsediment
tinyspaces
into
rock mineralised fossils
tumsinto
Pressurechemicalreactions sediment
YIgfhqrdnotcompletfffgf.ge
age fossilsremainingrounduntilerosionorexcavation
Hardbodyorganismsmorelineytofossilised
mostfossilsareofmarineorganisms
tÉÉiÉstsevidenceofmicroevolution macroevolution
similarities
Howtneevolve snow
i
it transermationsoccurin aspeciesintotwoormore
increaseofdiversity groupsthatsubsequently
ii
showsintermediaterelationreptiletobird legpopulationdevelops divergeintheir
increaseofsizefromsmall tobig anagenesis traitsthrough
Increase InDiversity 3Morespeciesareextintenanexistonearentoday
waaesttossmsbeamgewe.se 4Intermediateformsshownowevolutionhappened
mixtureoftraitsthatlinktotwogroups
archaeopteryx
WEarth4.6billionyearsold
Lifestarted3s billionyearsold
Earthzooyears ancesor
i
Cambriaexplosionbacksus
million
rapiddiversificationorganisms ago
years old earthchange
multicelledorganisms overtime modernspecies
Isis
modernmarineanimalgroupsappeard noexplinition oneanotherevolve
overtime
g am Lamarknaturalist wallaceDawn
4 boescent
www
withmodification
am
inheritenceotaquired
conceptofnatural
selection
DawnTravelled
Lamarking
IIh
w immensediversityorganisms Extant Extinct
ig
mama
reacnfoodnignu
tostrangedistributionofdifferentspecies differentspeciesinsimilarclimate
is
raeneanger.us.on.ca moreiiiceiy
giraffeoffspinginherit
long
neck giraffe'soffspringinheritlong
n
Dawin Originofspecies
1 Descentwithmodificationevidencedivesityotspecies evolutionancientancesto
selectionmechanismcausingevolution organisms bestsuitedenviron
DawnBelieves
o rganismsdescendedfrom
gynatural
ancestor
leavethemostoffspring
anoaitehabitats
related common
oaite
environmentalconditions
oniversificationbybrancning
osomespeciesareout
Evidencetosupportthetheoryofevolutiono
Fossils
bing.EE IYuiarbioiogT
lomologiestcomparativeanatomy
kmsaie
preserved
embryology
vestigial
organs fossils
wmold arossiliezedimpressionmadeinone substrate
Biodiversity
my wastfossilsformed unenamondisfined
tracefossils
fossilized
nestsfootprintsburrows
trueformfossils fossilsofactualanimals
rejoin
1 unalteredpreservation insects orplantstrappedinambertreesar
destroyed
2 Permineralization petrification rocklikemineralsslowlyreplaceoriginalorganictissues preservesoftplant
ageslayers sediment
buildup
pressdownburriedremains
agesDissolvedmineralstransportedbygroundwatersinsediment
tinyspaces
into
rock mineralised fossils
tumsinto
Pressurechemicalreactions sediment
YIgfhqrdnotcompletfffgf.ge
age fossilsremainingrounduntilerosionorexcavation
Hardbodyorganismsmorelineytofossilised
mostfossilsareofmarineorganisms
tÉÉiÉstsevidenceofmicroevolution macroevolution
similarities
Howtneevolve snow
i
it transermationsoccurin aspeciesintotwoormore
increaseofdiversity groupsthatsubsequently
ii
showsintermediaterelationreptiletobird legpopulationdevelops divergeintheir
increaseofsizefromsmall tobig anagenesis traitsthrough
Increase InDiversity 3Morespeciesareextintenanexistonearentoday
waaesttossmsbeamgewe.se 4Intermediateformsshownowevolutionhappened
mixtureoftraitsthatlinktotwogroups
archaeopteryx