Earth's Biological History 8th Grade (1) Question Preview (ID: 30594)


Review Of Concepts Of South Carolina 8th Grade Standards For Earth's Biological History. TEACHERS: click here for quick copy question ID numbers.

This is the longest unit of geologic time
a) Eon
b) Era
c) Period
d) Epoch

This is the process that explains the survival of the fittest and shows how species change over time
a) Variation
b) Adaptation
c) Natural Selection
d) Population

These form when sediments bury an organism and change them to rock, the organism decays leaving a cavity behind.
a) Cast Fossil
b) Mold Fossil
c) Trace Fossil
d) Petrified/Permineralized Fossil

What is most likely theorized to have ended the Mesozoic Era
a) Habitat Destruction
b) Volcanic Eruptions followed by Climate Change
c) Pollution
d) Impact Event followed by Climate Change

What are eras broken down in to?
a) Eons
b) Periods
c) Epochs
d) Eras

This is the geologic time span dominated by Marine life, shallow seas, early land plants and the first reptiles
a) Paleozoic Era
b) Mesozoic Era
c) Cenozoic Era
d) Precambrian Eon

These are fossils used to help determine the relative age of rocks and other fossils. They lived a short time
a) Cast Fossil
b) Mold Fossil
c) Trace Fossil
d) Index Fossil

These are an example of an index fossil that lived during the Paleozoic Era
a) T-rex
b) Mammoths
c) Trilobites
d) Jelly Fish

Which of the following would be considered a natural extinction factor?
a) Habitat Destruction
b) Volcanic Activity
c) Pollution
d) Overharvesting

These are differences in a population that can lead to natural selection
a) Adaptation
b) Variation
c) Species
d) Organisms

These form when minerals soak into the buried remains changing them into rock
a) Mold Fossil
b) Cast Fossil
c) Trace Fossil
d) Petrified/Permineralized Fossil

Ice Ages occurred during the geologic time period causing it to be relatively cooler than other time spans.
a) Cenozoic Era
b) Mesozoic Era
c) Paleozoic Era
d) Precambrian Era

This is the smallest division of geologic time
a) Eons
b) Eras
c) Periods
d) Epochs

This was the earliest time of Earth's History which had little to no life.
a) Precambrian Eon
b) Paleozoic Era
c) Mesozoic Era
d) Cenozoic Era

What is the period in which we currently live in called?
a) Cambrian Period
b) Jurrasic Period
c) Quarternary Period
d) Tertiary Period

This the geologic time span in which mammals were dominant, flowering plants are dominant and humans emerge
a) Precambrian Eon
b) Paleozoic Era
c) Mesozoic Era
d) Cenozoic Era

What states that each rock layer is older than the one above it?
a) Law of Gravity
b) Law of Superposition
c) Relative Age
d) Absolute age

Which of the following is an example of a man-made extinction factor?
a) Volcanic Activity
b) Climate Change
c) Cutting down the rain forest
d) Impact Events

Any trait or behavior that helps an organism survive and reproduce
a) Variation
b) Adaptation
c) Population
d) Natural Selection

These form when mud or sand hardens to stone where a footprint, trail, or burrow was left behind
a) Cast Fossil
b) Mold Fossil
c) Trace Fossil
d) Carbonized Fossil

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