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Earth's History And Diversity Of Life
Test Description: Earth's History and Diversity of Life Review
Instructions: Answer all questions to get your test result.
1) During what geologic age were trilobites and brachiopods most dominant?
A
Precambrian
B
Mesozoic era
C
Cenozoic era
D
Paleozoic era
2) During what geologic age were reptiles such as dinosaurs most dominant?
A
Mesozoic era
B
Paleozoic era
C
Cenozoic era
D
Precambrian
3) During what geologic age were mammals most dominant?
A
Cenozoic era
B
Paleozoic era
C
Precambrian
D
Mesozoic era
4) Which of the following states that each rock layer is older than the one above it. So, the relative age of the rock or fossil in the rock or fossil in the rock is older if it is farther down in the rock layers?
A
Index fossil evidence
B
Law of superposition
C
Geologic time scale
D
Absolute age
5) Which of the following is NOT a characteristic of an index fossil?
A
The organism must have lived only during a short part of Earth's history
B
Many fossils of the organisms must be found in rock layers
C
The fossil must be found over a wide area of Earth
D
The organism must have lived a long period of geologic time.
6) Which of the following is a way scientists determine the age of ancient rocks and fossils?
A
Absolute dating using chemical analysis
B
All of the answer choices
C
Relative dating using the law of superposition
D
Relative dating using index fossils
7) Which of the following is theorized to have caused the the extinction of many dinosaurs at the end of the Mesozoic era?
A
All of the answer choices
B
Impact of asteroid or comet
C
Man made extinction factors
D
Volcanic activity
8) Which of the following is theorized to have caused the greatest mass extinction in Earth's history at the end of the Paleozoic era?
A
Impact from asteroid or comet
B
Volcanic activity
C
Man-made extinction factors
D
All of the answer choices
9) Which of the following is theorized to have caused many mass extinctions during the Cenozoic era?
A
All of the answer choices
B
Volcanic activity
C
Climate changes
D
Impact from asteroid or comet
10) Which of the following orders geologic time accurately from largest to smallest?
A
Period - Era - Epoch
B
Eon - Epoch - Era
C
Epoch- Era - Period
D
Era - Period - Epoch
11) Which of the following would favor fossil formation?
A
Weathering
B
Erosion
C
Scavengers
D
Rapid burial
12) Which of the following is something fossils DO NOT tell scientists about Earth's past?
A
Organisms have not changed over time
B
Environmental conditions on Earth have changed during it's history
C
Most organisms that have lived on Earth have gone extinct
D
The diversity of life forms that have existed during Earth's history
13) Which of the following would be the LEAST likely to fossilize?
A
Soft bodied organisms
B
Trilobites
C
Mammals
D
All of the answer choices
14) Which of the following would be the MOST likely to fossilize?
A
Bones and teeth
B
Skin and Muscle
C
Internal organs
D
All of the answer choices
15) Which of the following describes the collection of millions of fossils and their placement in chronological order ?
A
Law of superposition
B
Fossil record
C
Relative dating
D
Index fossils
16) Which of the following is a trait or behavior that helps and organism survive and reproduce?
A
Populations
B
Adaptation
C
Natural selection
D
Variations
17) Which of the following describes the process that explains how a species of organisms can change over geologic time?
A
Law of superposition
B
Extinction
C
Natural selection
D
Adaptation
18) Which of the following is NOT a physical trait that enhances an organisms ability to survive and reproduce?
A
Camouflage
B
Beaks and claws
C
Mimicry
D
Hibernation
19) Which of the following is NOT a man-made extinction factor in recent geologic time?
A
Pollution
B
Removal of natural habitats
C
Over harvesting
D
Climate changes
20) Which of the following is NOT a natural extinction factor?
A
Over harvesting
B
Volcanic activity
C
Climate changes
D
Impact events
*select an answer for all questions
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