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15
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Finding a trilobite is evidence that an ancient environment was part of
a canyon.
an ocean.
a mountain.
a forest.
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15
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If a scientist finds fossilized trees in what is now a desert area, the fossils are evidence that the
climate there has not changed much.
area used to home to small animals.
climate there was once rainy.
area used to have no carnivores.
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15
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Almost all fossils are found in ________
amber.
dirt that has been packed down.
groundwater.
sedimentary rocks.
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15
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Which is a step in the process of how animals become fossils?
Most of the animal rots away, leaving only the skin.
An animal dies high up on a mountain.
The soft parts of an animal turn to rock.
Sediment covers an animal's remains.
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15
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The history of how life has changed on Earth over millions of years is revealed by
animals living today.
bones in the desert.
history books.
the fossil record.
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15
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What is a fossil record?
the rock left behind after a bone is fossilized
the history of how life on Earth has changed
evidence that animals lived a long time ago
a record of an organism left behind.
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lifesaver
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magnet
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gift
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thief
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15
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Which of the following can become a fossil?
all of these.
an insect trapped in sap
a large animal
a plantâs leaves
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15
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What do the petrified trees in Petrified Forest National Park suggest about the ancient environment?
there was no dry land
it was near a body of water
there was more rain
there was a desert
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heart
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rocket
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fairy
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25
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lifesaver
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heart
Other team wins 5 points!
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fairy
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5
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15
20
25
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gift
Win 15 points!
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lifesaver
Give 25 points!
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15
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How do bones change when they become fossils?
bones become lighter and weaker
bone material changes shape
bone material is replaced by rock (minerals)
bone becomes stronger and harder
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15
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What must happen for a fossil to form?
it is left unburied
it is buried quickly
it is kept dry
it is in deep water
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15
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The oldest fossils are usually found
on top of mountains.
on ocean beaches.
floating in rivers.
deep underground.
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baam
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gift
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fairy
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25
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baam
Lose 25 points!
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15
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How are fossils revealed?
water washes dirt away
wind weathers away rock
all of these
people dig up soil
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