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massive volcanic activity and asteroids hitting the Earth(passive) were caused byPast mass extinction events
which some scientists believecausedpast mass extinction events
some scientists believecausedpast mass extinction events
abrupt climate changeshad causedpast mass extinction events
asteroidscausingmass extinctions in the future
by events such as asteroid strikes , volcanic eruptions , and natural climate shifts(passive) caused bypast mass extinctions
events such as asteroid strikes , volcanic eruptions , and natural climate shifts(passive) caused bypast mass extinctions
fly ash that is thoughtto have causedmass extinctions in the distant past
natural events like asteroid impacts , volcanic eruptions , or natural climate shifts(passive) were caused byPast mass extinctions
the impact eventscausedthe mass extinctions of the past
Earth ... large asteroidshave causedmass extinctions in the past
volcanic eruptions , asteroid strikes , and natural climate shifts(passive) were caused byThe past mass extinctions
asteroid strikes , volcanic eruptions , and natural climate shifts(passive) were caused byMass extinctions of the past
natural climate shifts , volcanic eruptions , and asteroid strikes(passive) were caused by Mass extinctions of the past
catastrophic physical disasters , such as climate changes or meteorite impacts , which destroyed and disrupted global ecosystems(passive) were caused byMass extinctions of the geological past
events (passive) have been caused byMass extinctions in the past
these eventscausedmass extinctions in the past
the impact of comets or asteroidscausedthe mass extinctions of the past
climate changehas causedpast mass extinctions
This discovery ... catastrophic impactsmay have causedmass extinctions in the past
by natural events such as huge volcanic eruptions , asteroid strikes , and climate shifts(passive) were causedpast mass extinctions
such impactshad ... causedmass extinctions in the past
by humans(passive) caused bypast mass extinctions
global warmingcausingpast mass extinctions
volcanic eruptions and an asteroid falling from space(passive) were caused byPast mass extinctions
sudden warminghas causedmass extinctions in the past
by events like asteroid strikes , volcanic eruptions and natural climate shifts(passive) caused bypast mass extinctions
by meteorite impacts(passive) were caused bymost past mass extinctions
nature(passive) have been caused byPast mass extinctions
this effect(passive) have been caused bypast mass extinctions
by asteroid strikes and volcanoes(passive) caused bypast mass extinctions
thingshave causedmass extinctions in the past
these risks are knownto have causedmass extinctions in the past
of comets or asteroidscausedthe mass extinctions of the past
t of comets or asteroidscausedthe mass extinctions of the past
periodic impactscausingmass extinctions in the past
natural climate changeshave causedmass extinctions in the past
or asteroidscausedthe mass extinctions of the past
by a similar build - up(passive) have been caused bymass extinctions in the past
volcanic eruptions(passive) were caused byThe past mass extinctions
to other changesledto other changes
to enormous changes in taxonomic composition , trophic diversity , and body mass distributions that have effects for not merely tens of millions but hundreds of millions of years ( Sepkoski , 1981 , 1996have ledto enormous changes in taxonomic composition , trophic diversity , and body mass distributions that have effects for not merely tens of millions but hundreds of millions of years ( Sepkoski , 1981 , 1996
to low species diversityledto low species diversity
at least some reactionscausedat least some reactions
from asteroid collisionshave resultedfrom asteroid collisions
whether caused by meteorite impacts or other factorsledwhether caused by meteorite impacts or other factors
from volcanic eruptions or asteroid collision , etcresultedfrom volcanic eruptions or asteroid collision , etc
to low species diversityledto low species diversity
evolutionary history(passive) caused byevolutionary history
in permanent and irreversible consequencesresultedin permanent and irreversible consequences
from natural phenomena like asteroids and volcanoesresultedfrom natural phenomena like asteroids and volcanoes
to low species diversityledto low species diversity
to low species diversityledto low species diversity
to Low Species DiversityLedto Low Species Diversity
to low speciesledto low species
from global changesresultfrom global changes
to the flourishing of new , more complex speciesleadingto the flourishing of new , more complex species
from all this changewould resultfrom all this change
to new creaturesledto new creatures
in the end of the dinosaursresultedin the end of the dinosaurs
by that climate changewould have resultedby that climate change
from climate changecould resultfrom climate change
from this eventresultedfrom this event
or at least assisted by large impactsmay ... have been causedor at least assisted by large impacts
including our ownwill causeincluding our own
The evolution of life on Earth(passive) has been greatly influenced byThe evolution of life on Earth
Such a pattern(passive) might have been caused bySuch a pattern
to humansleadingto humans
humansare causinghumans
the stagesettingthe stage
environment ... are(passive) could have been causedenvironment ... are
from warmingmay have resultedfrom warming
Many of the major biological crises of our past(passive) were ... causedMany of the major biological crises of our past
the history of life on Earthhave radically influencedthe history of life on Earth
to the current eraleadingto the current era
up to the current eraleadingup to the current era
in our forestswill resultin our forests
dead creatures(passive) caused bydead creatures
them to a surprisingoccur ... ledthem to a surprising
from climate changesresultedfrom climate changes