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Galactically driven catastropheshave ledto five mass extinctions
comets , asteroids , volcanoes and such(passive) were caused byThe other five mass extinctions
natural climate shifts(passive) caused by5 great mass extinctions
Palaeontology expertshave discoveredfive great mass extinctions
decades - long ice ages , massive volcanic eruptions(passive) caused byfive mass extinctions
natural catastrophes in which over 75 % of all plant and animal species disappeared(passive) caused byfive mass extinctions
fury from the heavens or other natural phenomena(passive) caused byfive mass extinctions
n EarthcausedFive Mass Extinctions in the Past
carbon perturbations including volcanism(passive) were caused byfour out of five mass extinctions
supervolcanic eruptions(passive) triggered byfive mass extinctions
natural disasters such as comet or meteor showers impacting and destroying sections of the Earth(passive) were caused byfive mass extinctions
Paleontology expertshave discoveredfive great mass extinctions
everything from climate change , a meteor 65 miles in diameter , and super - volcano eruptions(passive) caused byfive mass extinctions
a violation of the normal cycle of carbon in the atmosphere and oceans(passive) caused byfive mass extinctions
natural forces(passive) to have been caused bythe five mass extinctions on Earth
collisions with space objectshave causedfive mass extinctions
the great asteroid(passive) triggered byfive mass extinctions
rapid major changesresultingin five mass extinctions
meteorite impacts or volcanism(passive) caused bythe “ Big Five ” mass extinctions
Modern human brains , and their self - aware conciousness ... some other natural calamitycausedfive mass extinctions
1 million years or so of intense volcanic activity(passive) was triggered byBig Five ” mass extinctions
various factors such as sudden methane release and volcanic eruptions(passive) caused byfive mass extinctions
geological or astrological events such as ice ages or meteors(passive) caused byfive mass extinctions
a variety of reasons all mirrored throughout the fossil record(passive) caused byfive mass extinctions
neither(passive) were ... causedAll five mass extinctions
Microbes(passive) Caused Bythe Five Mass Extinctions
That statement ... the eventscausedthe ' five mass extinctions
connections between tectonic activity in the Earth ’s crusts and correspondingly low levels in vital trace elements , notably seleniumcausedthree of five mass extinctions
between 50 and 90 per cent of the planet 's speciescausingbetween 50 and 90 per cent of the planet 's species
in the vast extinction of the diversity on the earthresultedin the vast extinction of the diversity on the earth
to the sudden and dramatic loss of living organismsledto the sudden and dramatic loss of living organisms
a mass extinction(passive) caused bya mass extinction
to large and sudden drops in biodiversity on Earthhave ledto large and sudden drops in biodiversity on Earth
in the disappearance of 50 - 90 percent of all species within a span of 500 million years — a large span of time to humansresultedin the disappearance of 50 - 90 percent of all species within a span of 500 million years — a large span of time to humans
to the widespread extermination of marine species around the worldledto the widespread extermination of marine species around the world
in part by abrupt climate change caused by factors such as increases in greenhouse gaseswere causedin part by abrupt climate change caused by factors such as increases in greenhouse gases
the all of the humanity to be terminated and the rise of new species began from the ashes called the Trilobites , Ammonites , Dinosaurs , Mammoths , and the Icemancausedthe all of the humanity to be terminated and the rise of new species began from the ashes called the Trilobites , Ammonites , Dinosaurs , Mammoths , and the Iceman
Four of the Earth ’s(passive) were triggeredFour of the Earth ’s
entire species , genera and even families of plants and animals to go extinctcausedentire species , genera and even families of plants and animals to go extinct
the loss of more than 70 percent of the Earth ’s life formshave causedthe loss of more than 70 percent of the Earth ’s life forms
in the death of over half the living species on the planethave resultedin the death of over half the living species on the planet
to reduction in diversity of life over timeledto reduction in diversity of life over time
By MicrobesCausedBy Microbes
changes on Earthcausedchanges on Earth
to our existencehave ledto our existence