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Chapter 7 Review
Test Description: The Evolution of Earth's land forms living things
Instructions: Answer all questions to get your test result.
1) Which of the following would be an adaption for survival in a desert?
A
A plant having a thick stem to store water
B
An animal being active during the middle of the day
C
A bird having dark feathers that absorb sunlight as heat
D
A plant having large leaves to gather sunlight
2) What is most likely to happen if an environment changes and a species does not have variations that are helpful in the new conditions?
A
Members of the species will develop new adaptions
B
A new species will form from the existing species
C
The species will become extinct
D
Members of the species will try to change the environment
3) A scientist wants to find the absolute, or actual, age of a rock. Which of these is the scientist most likely to use?
A
Radioactive dating
B
The Law of Superposition
C
The Geologic Time Scale
D
Ice Cores
4) At which level of classification are organisms able to breed with one another, producing fertile offspring?
A
Species
B
Genus
C
Kingdom
D
Phylum
5) Which of the following lists the divisions of the geologic time scale from longest to shortest?
A
epoch, eon, era, period
B
era, eon, period, epoch
C
eon, era, period, epoch
D
period, epoch, eon, era
6) Woodpeckers use their long beaks to dig for and eat insects living in the tree trunks. A new species of woodpecker with a very long beak envolves. Which statement best explains how the environment influenced the development of this new species?
A
The long beak is an adaption to help woodpeckers fight off predators
B
A harmful mutation occurred in the gene for beak length
C
Insects that live deep in the trunks spread to trees in the woodpeckers' territory
D
The insect population increased, and birds that ate more insects grew longer beaks
7) Which of these catastrophes do scientists think led to the mass extinction of the dinosaurs?
A
Volcanic eruption
B
Earthquake
C
Ice age
D
Asteroid impact
8) Which is the process that moves sediment from one location to another?
A
Weathering
B
Deposition
C
Volcanic eruption
D
Erosion
9) Which of the following is a true statement about bacteria?
A
They are many-celled
B
All are autotrophs
C
Their cells lack cell walls
D
Their cells have no nucleus
10) Which of the following best describes an adaption?
A
A trait that helps an organism survive
B
Any change in a gene or a chromosome
C
An trait of an organism
D
A trait that is passed from a parent to its offspring
*select an answer for all questions
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