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WorksheetsPlanet Earth Topic 4
Total questions: 48
Worksheet time: 24mins
What type of fossil is found in the middle layer mosozoic era
Dinosaurs
Monkeys
Apes
Any Modern Mammal
Are plants and animal carcasses always fossilized?
Yes
No
What is a Paleontologist?
A person who has can never be fossilized
A person who has a phobia of dinosaurs
A person who studies things from the ancient world
A perso who enjoys the sensation of being fossilized
What kind of fossil is this?
Mold Fossil
Cast Fossil
True Form Fossil
Trace Fossil
This kind of fossil leaves behind evidence of an animal's behavior or activity.
Mold fossil
Cast fossil
Trace fossil
True Form fossil
What do fossils teach us about?
Everything we need to know about a plant or animal.
They teach us about the past and the environment.
Everything single living thing will become a fossil when it dies.
That wooly mammoths are not extinct.
The deeper the layer the fossil is found, the older the fossil will likely be.
True
False
Extinct means
A dead animal has become fossilized.
There is no more of a species left.
Permineralization has occured within the fossil.
The fossil has become petrified.
Which of the following can we NOT learn from fossils?
how animals communicated with each other
how the environment has changed
how species have changed
extinct species
The earth is ______________of years old
Hundreds
Millions
Billions
Trillions
Mammals are a dominant group in which era?
Cenozoic
Mesozoic
Paleozoic
Cambrianozoic
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 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 era did trilobites, fishes, and other marine organisms dominate?
Precambrian
Paleozoic
Mesozoic
Cenozoic
Which era is the most recent, the one that we are currently in?
Mesozoic
Paleozoic
Cenozoic
Precambrian
Scientists chose where units of geologic time began and ended based on the appearance or disappearance of life.
true
false
The dinosaurs and reptiles were dominant in which Era?
Precambrian
Mesozoic
Paleozoic
Cenozoic
90% of Earth’s history occurred during which era?
Precambrian
Paleozoic
Mesozoic
Cenozoic
At the end of this era, multi-cellular organisms like sponges, jellyfish and worms filled the oceans.
Precambrian Era
Paleozoic Era
Mesozoic Era
Cenozoic Era
Is fossil creation a natural process?
Yes
No
Sometimes
what is a fossil?
Why may fossil of the same organism be found on different continents?
Because the continents were once together
Similar fossils should not be found on different continents
Because fossils change over time
Because of the Evolution of the Earth
Which statement is correct
Layer 2 is younger than layer 4
Layer 1 is younger than layer 4
Layer 2 is older than layer 1
Layer 3 is younger than layer 1
Which of the following statements is incorrect?
Layer 4 is younger than 3
Layer 1 is older than 3
Layer 4 is older than 2
Layer 2 is older than 4
Look at the reference image. Which combination accurately portrays the correct age order?
B is higher so it is OLDER than D
C is older than E, even though it is FOLDING upwards
G is older than all the other layers
A is higher, so is OLDEST layer
A cave explorer found a bunch of Megalodon sharks teeth in a cave in the middle of the Arizona Desert. What best explains why he would discover shark fossils here?
Megalodons would hunt their prey on the surface as well the ocean
Megalodons were known to fly
Millions of years ago Arizona was under water. Over time the Earth changed, the ocean became a desert, and the shark's teeth were fossilized.
Megalodons love Arizona, and go there to retire
Which Era was mainly dominated by dinosaurs?
Cenozoic
Jurassic
Mesozoic
Paleozoic
Which Era has the most complex organisms?
Cenozoic
Mesozoic
Paleozoic
Quaternary
What is the oldest organism on the geologic time scale?
primitive horses
sea scorpions
giant insects
trilobites
