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WorksheetsUnderstanding Geologic Time
Total questions: 20
Worksheet time: 10mins
What is the eon, era, period, and epoch we are living in?
phanerozoic, quaternary, holocene, and cenozoic
phanerozoic, cenozoic, quaternary, and holocene
quaternary, cenozoic, holocene, and phanerozoic
quaternary, cenozoic, phanerozoic, and holocene
Mammals first appeared or emerged in this era:
Paleozoic
Mesozoic
Cenozoic
Industrial
Which of the following is the correct sequence of geologic time from smallest to largest unit?
era, eon, period, and epoch
epoch, eon, era, and period
epoch, period, era, and eon
era, eon, epoch, and period
These were the dominant species that existed during the Paleozoic era:
Dinosaurs and reptiles
Aquatic life and reptiles
Dinosaurs and aquatic life
Ancient aliens
Also known as the Great Dying, approximately 90% of life during this extinction was obliterated by:
supervolcano eruption
asteroid
unknown source
flu virus
This event marked the end of the Age of the Dinosaurs during the __________ era.
asteroid impact - cenozoic
supervolcano - jurassic
supervolcano - cenozoic
asteroid impact - jurassic
The first three eons were: Hadean, Archaean, and Proterozoic. They are better known as:
PreCambrian Time
Phanerozoic
Mesozoic
Cenozoic
What was the earth like during PreCambrian time?
tropical climate with warm shallow seas
vegetation and tectonic movement
cooler temperatures because of nuclear winter
intense volcanic activity, very warm temperatures
During the Mesozoic Era, volcanic activity was common because of:
plate tectonics
natural selection
climate change
meteor shower
Which of the following are not early invertebrates that existed during the Paleozoic era?
arachnid
trilobite
amphibians
crustaceans
What proceeded the asteroid impact about 65 million years ago?
nuclear winter and ice age
more dinosaurs
warm temperatures
lower sea levels
Select the best definition for adaptation:
trait or characteristic that causes an organism to survive & reproduce
survival of the fittest
only the strong will survive
evolution by means of natural selection
Which of the following is NOT an example of structural adaptation?
molar teeth
large wingspan
pointed ears
camouflage
An index fossil meets all of the criteria except:
Unique
found across a few areas on Earth
located in one rock layer
lived for a brief period of time
An organism would migrate for all of the following circumstances except:
climate
food
loss of habitat
safe place to die
What the two factors that cause extinctions
man-made influences and natural disaster
man-made influences and space
natural disaster and space
natural disaster and oil drilling
Man made extinctions include all of the following except:
global cooling
deforestation
over-harvesting
pollution
Salmon is in danger of being massively depleted during the months of June to September, this is an example of:
over-harvesting
climate change
global warming
pollution
Fossils are abundantly found in these types of rocks:
Sedimentary
Metamorphic
Igneous
Chris
During which era did seeds develop coverings:
Mesozoic
Paleozoic
Cenozoic
Industrial
