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ESS: Review for Geological Time and Fossils Test Flashcards | StudBud
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ESS: Review for Geological Time and Fossils Test
ESS: Review for Geological Time and Fossils Test
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#geologicaltime #6thgrade #Fossils
Flashcards
28 cards
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Practice quiz
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Host live
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Questions
28
Answers
1
the unit of time of radioactive decay
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20
2
the process of matching distant rock layers
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12
7
15
3
Which of these are indirect evidence of plant or animal life?
microfossils
original hard parts
trace fossils
altered remains
4
says that older rocks are under younger rocks
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5
What element often remains as a film after the rest of the organism dissolves away?
calcium
carbon
iron
pyrite
6
Which groups of organisms dominated life on Earth for the longest time?
mammals and humans
fish and amphibians
dinosaurs and reptiles
bacteria and algae
7
When did mammals first appear in the fossil record?
Cenozoic era
Quaternary period
Devonian period
Mesozoic era
8
the “Ice Age”
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3
9
Unconformities are due mostly to
tilted rocks.
deposition
erosion.
plate collisions.
10
When we find bone fragments in a coprolite we believe it was probably carnivore poop because of
the law of superposition.
scientific logic.
the geologic time scale.
uniformitarianism.
11
Which is in the correct order of appearance in the fossil record?
bacteria, dinosaurs, amphibians, mammals, insects
invertebrates, fish, amphibians, reptiles, dinosaurs
bacteria, amphibians, fish, reptiles, dinosaurs, mammals
fish, mammals, amphibians, dinosaurs, reptiles
12
eras are divided up into these
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5
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When did amphibians first appear in the fossil record?
Triassic period
Precambrian era
Tertiary period
Devonian period
14
Birds are to dinosaurs as
flies are to cockroaches.
bats are to mammals.
pterosaurs are to dinosaurs.
bacteria are to algae.
15
a shell buried in mud dissolves away and leaves a shell-shaped hole, that hole would be called
a cast.
a coprolite.
a shell hole.
a mold.
16
how geologists show the rock layers in a region
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6
19
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17
Ammonites, squids, octopuses, and the nautilus are all examples of
gastropods.
fish.
trilobites.
cephalopods.
18
Footprints, coprolites, raindrop impressions, and ripple marks are all examples of
artifacts.
petrification.
index fossils.
trace fossils.
19
Which feature shown in the figure is the oldest?
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20
Little is known about mountain-dwelling dinosaurs because
mountain deposits are difficult to study.
dinosaurs were soft-bodied like giant slugs.
dinosaurs didn’t live in mountainous regions.
mountains tend to erode.
21
For an organism to be preserved as a fossil, what is most important?
the organism is protected from bacteria and fungus
the organism is quickly buried by lava
the organism has carbon in it
the organism is common and widespread
22
the remains of past events
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the “Age of Mammals”
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2
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1
24
Little is known about most of the history of life on Earth because
dinosaurs dominated for so long.
fossils can’t be dated directly with radioactivity.
most fossils are found as a jumble of bones.
most of the time organisms were microscopic and soft-bodied.
25
these are used to match up rock layers of similar age
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12
20
6
26
The natural process of replacing the remains of an organism with a mineral is called
mineral replacement
mineralization.
petrification.
radioactive decay.
27
Which pair of groups appeared at about the same time in the fossil record?
fish and reptiles
mammals and dinosaurs
reptiles and dinosaurs
reptiles and amphibians
28
the “Age of Fishes”
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10
2
1
