Earth's History And Diversity Of Life Question Preview (ID: 35757)


Earth's History And Diversity Of Life Review.

Which of the following is NOT a physical trait that enhances an organisms ability to survive and reproduce?
a) Camouflage
b) Mimicry
c) Hibernation
d) Beaks and claws

Which of the following describes the process that explains how a species of organisms can change over geologic time?
a) Adaptation
b) Law of superposition
c) Natural selection
d) Extinction

Which of the following is a trait or behavior that helps and organism survive and reproduce?
a) Adaptation
b) Variations
c) Natural selection
d) Populations

Which of the following describes the collection of millions of fossils and their placement in chronological order ?
a) Index fossils
b) Fossil record
c) Law of superposition
d) Relative dating

Which of the following would be the MOST likely to fossilize?
a) All of the answer choices
b) Skin and Muscle
c) Internal organs
d) Bones and teeth

Which of the following would be the LEAST likely to fossilize?
a) Soft bodied organisms
b) Mammals
c) Trilobites
d) All of the answer choices

Which of the following would favor fossil formation?
a) Weathering
b) Erosion
c) Scavengers
d) Rapid burial

Which of the following is something fossils DO NOT tell scientists about Earth's past?
a) The diversity of life forms that have existed during Earth's history
b) Most organisms that have lived on Earth have gone extinct
c) Environmental conditions on Earth have changed during it's history
d) Organisms have not changed over time

Which of the following orders geologic time accurately from largest to smallest?
a) Epoch- Era - Period
b) Period - Era - Epoch
c) Era - Period - Epoch
d) Eon - Epoch - Era

Which of the following is theorized to have caused many mass extinctions during the Cenozoic era?
a) Impact from asteroid or comet
b) Volcanic activity
c) Climate changes
d) All of the answer choices

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

Which of the following is theorized to have caused the the extinction of many dinosaurs at the end of the Mesozoic era?
a) Impact of asteroid or comet
b) Volcanic activity
c) Man made extinction factors
d) All of the answer choices

Which of the following is a way scientists determine the age of ancient rocks and fossils?
a) Relative dating using the law of superposition
b) Relative dating using index fossils
c) Absolute dating using chemical analysis
d) All of the answer choices

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.

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

During what geologic age were reptiles such as dinosaurs most dominant?
a) Paleozoic era
b) Mesozoic era
c) Cenozoic era
d) Precambrian

During what geologic age were mammals most dominant?
a) Cenozoic era
b) Mesozoic era
c) Paleozoic era
d) Precambrian

During what geologic age were trilobites and brachiopods most dominant?
a) Paleozoic era
b) Mesozoic era
c) Cenozoic era
d) Precambrian

Which of the following is NOT a man-made extinction factor in recent geologic time?
a) Removal of natural habitats
b) Over harvesting
c) Pollution
d) Climate changes

Which of the following is NOT a natural extinction factor?
a) Over harvesting
b) Climate changes
c) Impact events
d) Volcanic activity

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