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Unit Test 2 Review Part 3
Test Description: Unit Test 2 Review part 3
Instructions: Answer all questions to get your test result.
1) Which is an example of a renewable energy resource?
A
oil
B
gas
C
coal
D
biomass
2) How do scientists know when a mass extinction took place
A
They find more fossils of plants
B
They find a sudden disappearance of many fossil species
C
They find evidence of changes in Earth's Atmosphere
D
They find fossils of animals that died suddenly
3) Which of the following would a scientist most likely use to find the absolute age of a rock
A
radioactive dating
B
ice cores
C
the law of superposition
D
the geologic time scale
4) What is the most likely result if two populations of the same species are separated for a long period of time?
A
the populations will change in different ways
B
both populations will change in the same ways
C
both populations will become extinct
D
neither population will change
5) The theory of natural selection tells us that
A
organisms with advantages will survive and reproduce at a faster rate than other organisms
B
organisms with advantages are not among the most dominant creatures on earth
C
change is a horrible thing because it destroys species
D
animals with advantages in their environment will be more likely to become extinct
6) Which would best allow a species to survive environmental changes?
A
small population
B
similar physical features
C
genetic diversity
D
low mutation rate
7) Where does sea-floor spreading occur
A
Where two oceanic plates collide
B
where an oceanic plate and a continental plate collide
C
where two oceanic plates move apart
D
where two continental plates move apart
8) The earliest part of Earth's history is called the
A
Precambrian
B
Cenozoic
C
Cambrian
D
Holocene
9) What process is most responsible for the extinction of most species of plants and animals that have lived on Earth?
A
decrease in reproduction
B
selective breeding
C
environmental changes
D
gene mutations
10) Which group of animals appeared on earth most recently?
A
fish
B
mammals
C
amphibians
D
reptiles
*select an answer for all questions
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