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Science 8-Quarterly 2 Review - 2018-19
Test Description: Review for quarterly
Instructions: Answer all questions to get your test result.
1) Which of the following explains why organisms became extinct?
A
loss of habitat due to human pollution
B
increase in disease due to climate change
C
too many large mammals in a limited space
D
loss of habitat due to climate change
2) Which statement provides the strongest evidence of past plate movement?
A
seafloor structures such as ocean ridges and trenches
B
the shapes of the continents
C
the heights of mountain ranges
D
valleys formed through erosion by rivers
3) The arrangement of Earth’s continents has changed over a period of several million years. These changes are the result of gradual processes such as
A
plate tectonics
B
natural selection
C
seafloor spreading
D
volcanic eruptions
4) The arrangement of Earth’s continents has changed over a period of several million years. These changes are the result of catastrophic events such as
A
natural selection
B
volcanic eruptions
C
plate tectonics
D
earthquakes
5) How is it possible that there are no fossilized skeletal systems found on the bottom layers of rock?
A
Organisms with skeletal systems were consumed by other animals.
B
Organisms with skeletal systems did not exist when these layers of rock formed.
C
Volcanic activity and earthquakes destroyed the fossilized skeletal systems.
D
Fossilized skeletons are crushed and destroyed by layers of heavy rock.
6) If you found a rock outside and wanted to know if it’s older than other fossils found in the same area, which of these should you use?
A
type and order of the rock layers
B
local weather conditions
C
water sample from a nearby lake
D
a dictionary
7) If you found a rock outside and wanted to know if it’s older than other fossils found in the same area, which of these should you use?
A
a dictionary
B
water sample from a nearby lake
C
local weather conditions
D
the fossil record
8) If you found a fossil outside and wanted to know which currently living animal is its closest relative. Which of these statements will be most helpful in answering his question?
A
Organisms that live in the same environment are closely related.
B
Common functions of appendages, like wings of a bat and bird, indicate a close relationship.
C
Organisms that share a pattern of common features are likely to be closely related.
D
Differences in anatomical structures indicate evolutionary relationships
9) Which of these structures is the strongest evidence of an evolutionary relationship?
A
. bat lower jaw and whale lower jaw
B
bat wing and bee wing
C
whale flipper and bee wing
D
bat wing and whale flipper
10) Over time, as the environment changes, populations must adapt or become extinct. Which example below explains how a population adapts to environmental changes?
A
Some dinosaur species became larger, becoming more elephant-like
B
Horses feet changed from a single toe (hoof) to many toes.
C
They don't pass on their favorable traits.
D
As their environment changed, horses became larger and better adapted to running.
11) Some woodpeckers in Maryland have learned to peck the wood on the sides of houses to find termites and bees nesting in people’s home. This is an example of a:
A
Structural adaptation
B
Physical adaptation
C
Behavioral adaptation
D
Physiological adaptation
12) A deer uses the color of his fur to hide himself from predators that may eat him. His fur color is an example of
A
a structural adaptation called camouflage
B
A behavioral adaptation called hiding
C
A behavioral adaptation called camouflage
D
A structural adaptation called hiding
13) What is the most likely explanation for the change in color within the mice population over time?
A
The pollution caused the mice to change color similar to the way the trees changed color
B
The mice had to change colors from light to dark in order to hide from predators
C
The birds did not like the taste of the darker colored mice and began to eat only the lighter colored mice
D
Dark mice were harder for predators to find so their populations increased and the population of the lighter mice decreased
14) Male birds who are more successful at the courtship behavior will have a greater chance of having more offspring. This behavior is the result of:
A
genetic engineering
B
gene manipulation
C
natural selection
D
asexual reproduction
*select an answer for all questions
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