Summative Assessment: Week 4
Nies6ha
SummativeAssessmentWeek4Exam.docx
20 OF 20 QUESTIONS REMAINING
Top of Form
Bottom of Form
Assignment Content
1.
Top of Form
Complete the Week 4 Exam.
You have one attempt at the exam and will not see the correct answers. Be sure to review all previous course materials before attempting the exam.
Bottom of Form
2.
Top of Form
Question 1
10 Points
Which of the Earth’s spheres represents the majority of life on Earth?
1.
Hydrosphere
2.
Atmosphere
3.
Lithosphere
4.
Biosphere
Bottom of Form
3.
Top of Form
Question 2
10 Points
In the biosphere, between which things does energy transfer?
1.
Energy transfers between living things only.
2.
Energy transfers between nonliving things only.
3.
Energy transfers between living and nonliving things.
4.
Energy does not transfer within the biosphere.
Bottom of Form
4.
Top of Form
Question 3
10 Points
What characteristics define biomes?
1.
Differences in climate and environmental patterns
2.
Differences in location
3.
Differences in size
4.
Differences in species
Bottom of Form
5.
Top of Form
Question 4
10 Points
Which of the following is not a terrestrial biome?
1.
Tundra
2.
Deciduous temperate forest
3.
Desert
4.
Grasslands
5.
Plains
Bottom of Form
6.
Top of Form
Question 5
10 Points
Which of the following influences the water cycle in the tundra?
1.
Less rainfall in the tundra
2.
Very slow evaporation in the tundra
3.
An increased amount of water stored in the tundra
4.
All of the above influence the water cycle in the tundra.
Bottom of Form
7.
Top of Form
Question 6
10 Points
What hierarchical tool helps ecologists better determine how to view, assess, and interpret various phenomena in the biological world?
1.
Location mapping
2.
Levels of organization
3.
Ecological classification
4.
Sampling
Bottom of Form
8.
Top of Form
Question 7
10 Points
Which of the following is not a level of organization?
1.
Individual
2.
Population
3.
Community
4.
Ecosystem
5.
Ecology
Bottom of Form
9.
Top of Form
Question 8
10 Points
Which of the following describes living components of an ecosystem?
1.
Biotic
2.
Mechanical
3.
Abiotic
4.
Chemical
Bottom of Form
10.
Top of Form
Question 9
10 Points
Which of the following describes non-living components of an ecosystem?
1.
Biotic
2.
Mechanical
3.
Abiotic
4.
Chemical
Bottom of Form
11.
Top of Form
Question 10
10 Points
Which of the following represents a community with interactions between living and non-living components?
1.
Biome
2.
Ecosystem
3.
Biosphere
4.
Ecology
Bottom of Form
12.
Top of Form
Question 11
10 Points
All of the ecosystems together are called
1.
The biome
2.
Ecology
3.
The biosphere
4.
Life
Bottom of Form
13.
Top of Form
Question 12
10 Points
What is the ultimate source of energy in an ecosystem?
1.
Food
2.
Water
3.
Air
4.
The sun
Bottom of Form
14.
Top of Form
Question 13
10 Points
Which of the following does not describe energy within an ecosystem?
1.
Energy is always fully contained.
2.
Energy cannot be created or destroyed.
3.
Energy can transform into different types.
4.
When energy transfers or transforms, some energy is always lost.
Bottom of Form
15.
Top of Form
Question 14
10 Points
How does energy move between living things?
1.
Energy transfers when organisms eat or are eaten.
2.
Energy transfers when organisms offering it to each other.
3.
Energy is released through transpiration.
4.
Energy does not transfer between living things.
Bottom of Form
16.
Top of Form
Question 15
10 Points
What organizational tool describes how energy transfers between living things in an ecosystem?
1.
Energy maps
2.
Food chains
3.
Topographic maps
4.
Levels of organizations
Bottom of Form
17.
Top of Form
Question 16
10 Points
Why are there less organisms at the top of the food chain?
1.
There are less organisms at the top because they are bigger.
2.
There are less organisms at the top because they are predators.
3.
There are less organisms at the top because some energy is lost in every energy transfer.
4.
There are not fewer organisms at the top of the food chain.
Bottom of Form
18.
Top of Form
Question 17
10 Points
What is the ecological implication of the idea that energy cannot be created nor destroyed?
1.
Energy in ecosystems cannot be produced from nowhere.
2.
Energy is created only by decomposers.
3.
Energy can only be destroyed through eating.
4.
There are no ecological implications.
Bottom of Form
19.
Top of Form
Question 18
10 Points
What is the ecological implication of the idea that no energy transformations are 100% efficient?
1.
Some energy is saved for later from every energy transfer.
2.
Some organisms do not transfer energy since they do not want to lose any.
3.
Energy is often lost in the form of heat and is not fully available after transfer.
4.
There are no ecological implications.
Bottom of Form
20.
Top of Form
Question 19
10 Points
In a food chain, what describes the number of levels an organism is away from the original source of energy?
1.
Food chain
2.
Autotroph
3.
Decomposer
4.
Trophic level
Bottom of Form
21.
Top of Form
Question 20
10 Points
Food webs, food chains, and trophic levels are all tools to help ecologists understand which of the following?
1.
The climate of an ecosystem
2.
The types of animals that exist in an ecosystem
3.
The energy flow within an ecosystem
4.
The size of an ecosystem
Bottom of Form
