WorksheetsGeologic Time Scale- WMRS
Total questions: 40
Worksheet time: 58mins
What era did the formation of the earth occur?
Paleozoic
Precambrian
Cenozoic
Cambrian
How old do Paleontologists believe the Earth is?
2019 years old
3.6 billion years old
4.6 billion years old
4.6 million years old
What type of event usually marks the end of an Era
A Mass Extinction
A Quinceanera
An earthquake
A Volcanic Eruption
What are the four eras in order from OLDEST to NEWEST?
Pre-Cambrian, Paleozoic, Mesozoic, Cenozoic
Pre-Cambrian, Mesozoic, Paleozoic, Cenozoic
Cenozoic, Mesozoic, Paleozoic, Pre-Cambrian
Mesozoic, Pre-Cambrian, Cenozoic, Paleozoic
What are the names of ALL parts of the geologic time scale in correct order from broadest to narrowest?
era, period, eon
eon, era, period, epoch
era, eon, epoch, period
eon, era, epoch, period
Known as the age of reptiles
Mesozoic
Cenozoic
Phanerozoic
Cambrian
Which Era has the most complex organisms?
Cenozoic
Mesozoic
Paleozoic
Quaternary
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
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
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
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
Fossils are abundantly found in these types of rocks:
Sedimentary
Metamorphic
Igneous
Chris
In what time period did Pangaea, the super continent, appear?
Precambrian
Paleozoic
Mesozoic
Cenozoic
Dinosaurs, small mammals, and birds are found in this time period.
Precambrian
Paleozoic
Mesozoic
Cenozoic
What are fossils that are abundant, easily recognizable, short lived, and widespread called?
Preserved fossils
Index fossils
Imprints
Radioactive dating
What does absolute age tell us about a rock layer or fossil?
The 'exact' age of a fossil determined by radiometric dating
The relative age of a fossil determined by radiometric dating
Younger rock layers sit on top of older rock layers
Older rock layers sit on top of younger rock layers
Marine plants and invertebrates were abundant during which era?
Precambrian
Paleozoic
Mesozoic
Cenozoic
Which methods of dating are used primarily to compare relative ages of rock layers?
fossil comparison and radioactive dating
law of superposition and fossil comparison
law of superposition and radioactive dating
rate of sedimentation and fossil comparison
Which era's animal life consisted of reptiles, small mammals, and birds?
Paleozoic
Mesozoic
Cenozoic
What era's animal life consisted mainly of invertebrates, vertebrate fish, and arachnids, amphibians, and early reptiles?
Paleozoic
Mesozoic
Cenozoic
What era's animal life consisted of large mammals, increased biodiversity and humans?
Paleozoic
Mesozoic
Cenozoic
Which era's plant life consisted mainly of mosses, ferns, and then evolved to hard-coated and seed plants at the end?
Paleozoic
Mesozoic
Cenozoic
Which era's plant life had developed flowering plants by the END?
Paleozoic
Mesozoic
Cenozoic
In what era did flowering plants become common?
Paleozoic
Mesozoic
Cenozoic
In what era did Pangaea form?
Paleozoic
Mesozoic
Cenozoic
By the end of what era had all seven continents formed?
Paleozoic
Mesozoic
Cenozoic
What era and period did the Alps and Himalayas form?
Cenozoic, Quaternary
Cenozoic, Tertiary
Mesozoic, Jurassic
Mesozoic, Triassic
Which describes the climate of Pre-Cambrian?
Lava, ash in atmosphere, heat, forming atmosphere and oceans
Volcanic activity at plate boundaries, ice age cool climate, mountain ranges cause climate differences
Rapid plate movement caused volcanic activity, climate changes, landmasses moved
Tropical climate and warm shallow seas, sea levels changed, volcanic activity
Which describes the climate of the Mesozoic Era?
Lava, ash in atmosphere, heat, forming atmosphere and oceans
Volcanic activity at plate boundaries, ice age cool climate, mountain ranges cause climate differences
Rapid plate movement caused volcanic activity, climate changes, landmasses moved
Tropical climate and warm shallow seas, sea levels changed, volcanic activity
Which describes the climate of the Cenozoic Era?
Lava, ash in atmosphere, heat, forming atmosphere and oceans
Volcanic activity at plate boundaries, ice age cool climate, mountain ranges cause climate differences
Rapid plate movement caused volcanic activity, climate changes, landmasses moved
Tropical climate and warm shallow seas, sea levels changed, volcanic activity
Which of the following describes the mass extinction that ended the Paleozoic Era?
Mass extinction of marine invertebrates and amphibians
Cambrian explosion
Many large mammal species go extinct
Mass extinction of dinosaurs possibly due to an asteroid hit
Which of the following describes the mass extinction that ended the Mesozoic Era?
Mass extinction of marine invertebrates and amphibians
Cambrian explosion
Many large mammal species go extinct
Mass extinction of dinosaurs possibly due to an asteroid hit
Which of the following describes the mass extinction that occurred during the Cenozoic Era?
Mass extinction of marine invertebrates and amphibians
Cambrian explosion
Many large mammal species went extinct
Mass extinction of dinosaurs possibly due to an asteroid hit
