AnswersCO-Biology B-CRUnit Test

Unit Test — Unit test Answers

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A hunter illegally kills a wolf in Yellowstone National Park and attempts to bring the wolf's skull back to Florida. Which law is the hunter violating?

A
the National Park System Act
B
the Lacey Act
C
EPA
D
CITES
22
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Wolves are predators of deer. What is most likely to happen to the deer population if the wolf population increased?

A
stay the same
B
increase
C
decrease
D
become extinct
23

What kind of display would be the best way to represent the data below?Type of speciesCritically endangered (%)Endangered or vulnerable (%)Plants1370Invertebrates035Freshwater fish937Amphibians730Reptiles528Birds012Mammals221

A
bar graph
B
pie chart
C
line graph
D
scatter plot
24

What is the difference between food chains and food webs?

A
Food webs show the flow of energy from producers to consumers, and food chains show the flow of energy from consumers to producers.
B
Food chains show a single path of energy in an ecosystem, and food webs show overlapping pathways of energy in that ecosystem.
C
About ten percent of the energy is passed on to the next trophic level in food webs, but in food chains, about ninety percent is passed on to the next trophic level.
D
Heat is lost when energy is passed on to the next trophic level in food chains, but in food webs, heat is not lost when energy is passed on to the next trophic level.
25

Which sustainable practice is paired correctly with its impact on the environment?

A
Using bamboo results in an increased use of forest trees.
B
Practicing contour plowing results in a need for more land.
C
Setting irrigation systems to run longer results in a reduction of water use.
D
Building more wind farms results in a reduction of fossil fuel use.

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