Statistics for EOSC Definitions (Fragile System, Extinctions & Impacts)

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General Stats
Answer Stats
Score Distribution
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General Stats

This quiz has been taken 7 times
(3 since last reset)
The average score is 89 of 89

Answer Stats

Hint	Answer	% Correct
suggested ...	10 km asteroid	100%
Raup & Sepkoski's Hypothesis	25 ma cycle	100%
Iridium Anomaly	300x background levels	100%
Mass Extinction Def	30% extinct	100%
Background Extinction Rate	5-10	100%
Vulnerability	affectable weakness	100%
	alter asteroid's orbit	100%
Causes of Mass Extinctions - Extraterrestrial Events	asteroid impacts	100%
Return Period	average number of years between disasters	100%
Asteroid Belt (where?)	between mars and jupiter	100%
Kuiper Belt	bigger asteroid belt	100%
meaning that ...	biodiversity drops	100%
Chemostratigraphy	chemistry	100%
Causes of Mass Extinctions - Plate Tectonics	climate	100%
4	coincidence	100%
Fern Spores	colonize burned areas	100%
so they are ...	common	100%
Causes of Mass Extinctions - Biological	competition	100%
	contains methane	100%
in ...	deep sea sediments.	100%
DART	double asteroid redirection test	100%
	economic harm	100%
Oort Cloud (where?)	edge of solar system	100%
Meteors	entering atmosphere	100%
Bolides	explodes in atmosphere	100%
which actually means ...	flood basalts	100%
Biostratigraphy	fossils	100%
Faunal Succession	fossils change	100%
Shocked Quartz	fractured rock	100%
	from seismic waves	100%
	galactic cycles	100%
	gamma ray bursts	100%
Tektites	glass particles from melting rocks	100%
	good fossilization environment	100%
from ...	gravitational disruption in the oort cloud	100%
No Ice at Poles	greenhouse climate	100%
Asteroids	> 1m meteoroids	100%
and ...	have certain materials	100%
Risk	hazard x vulnerability	100%
Latent Heat	hidden in chemical bonds	100%
Hazard	human harm	100%
Ice at Poles	icehouse climate	100%
Index Fossils Def	ideal fossil species	100%
Spaceguard Survey	identifies, catalogues, studies NEOs	100%
	if heated then has tail	100%
	impact craters are circular	100%
	launch in 2026	100%
	many ecosystems	100%
Sensible Heat	measurable	100%
Evaporites	minerals left after evaporation	100%
what?	mostly ices	100%
3	moving through galactic plane	100%
	nasa thinks so	100%
NEO	near earth object	100%
1	nemesis	100%
	no evidence	100%
	no evidence	100%
Unconformity	no rock evidence	100%
Faults	offset rock layers	100%
which is this many years ...	one million	100%
	pathogens	100%
2	planet 9	100%
	predation	100%
what?	probably mostly ices	100%
	quickly	100%
Adaptive Radiation	rapid diversification	100%
The Principle of Lateral Continuity	rocks align laterally	100%
The Principle of Original Horizontality	rocks originally flat	100%
Lithostratigraphy	rock type	100%
Comets	rock with ice	100%
Uniformitarianism	same natural laws	100%
	sea level	100%
	short range	100%
Meteoroids	small rocks	100%
Clathrate	solid crystal	100%
Stratigraphy	study of layers of rock	100%
Shoemaker's Hypothesis	sudden geological changes	100%
	supercontinents	100%
NEO Surveyor Spacecraft	survey for hazardous asteroid	100%
Meteorites	survives entry	100%
Chronostratigraphy	time	100%
Fossil Range	time a species existed	100%
Suevite	unmelted fractured rock	100%
	use geological timescale	100%
Causes of Mass Extinctions - Climate Change	volcanism	100%
	widespread	100%
	works	100%
The Principle of Cross-Cutting Relationships	younger rocks cut through	100%
The Law of Superposition	younger rocks on top	100%

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