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- 1. Multiple Choice
Ecology is the study of how living things.....
interact with each other
interact with their environment
interact with each other and their environment
fit into their niche
- 2. Multiple Choice
Examples of abiotic factors include....
trees, soil, and sunlight
sunlight, soil, and water
the living aspects of the environment
all of these
- 3. Multiple Choice
Energy enters most ecosystems in the form of ....
soil and water
food
water
sunlight
- 4. Multiple Choice
Examples of producers include....
plants, algae, and cyanobacteria
plants and photosynthetic insects
lions, bears, and eagles
mice, rabbit, deer
- 5. Multiple Choice
Which statement best explains the relationship between decomposers and producers?
Decomposers use the molecules that producers release back to the environment.
Producers use the molecules that decomposers extract from the environment.
Producers use the molecules that decomposers release back to the environment.
Decomposers use the molecules that producers extract from the environment.
- 6. Multiple Choice
Which organism would occupy the fourth trophic level?
phytoplankton
sea duck
tundra swan
bald eagle
- 7. Multiple Choice
Approximately how much energy is passed between trophic levels?
1%
10%
25%
50%
- 8. Multiple Choice
Which group of organisms would have the greatest biomass?
All of the producers in an ecosystem
The largest organisms in ecosystem, such as elephants
The trillions of insects in an ecosystem
All of these
- 9. Multiple Choice
The first trophic level is usually occupied by herbivores
True
False
- 10. Multiple Choice
A habitat refers to the role of a species in its ecosystem.
True
False
- 11. Multiple Choice
Biotic factors include sunlight, soil, temperature, and water.
True
False
- 12. Multiple Choice
A food web can be represented by many interconnected food chains.
True
False
- 13. Multiple Choice
Like water, energy is also recycled through an ecosystem.
True
False
- 14. Multiple Choice
Abiotic factors are the _________________ aspects of the environment.
Living
Nonliving
Producing
Consuming
- 15. Multiple Choice
A ____________ refers to the role of a species in its ecosystem.
habitat
biosphere
niche
food chain
- 16. Multiple Choice
_________________ includes lions, polar bears, hawks, and spiders.
Carnivores
Herbivores
Producers
Decomposers
- 17. Multiple Choice
_______________ levels represent the feeding position in a food chain or web.
Energy
Tropical
Trophic
Biological
- 18. Multiple Choice
Which of the following best describes biogeochemical cycles?
They cycle elements through the biotic and abiotic components of an ecosystem.
They cycle elements through the plants and trees of an ecosystem.
They cycle elements through the plants and soil of an ecosystem.
All of these
- 19. Multiple Choice
What is the correct order of events of the water cycle?
transpiration->condensaton->precipitation->runoff
transpiration->runoff->condensation->precipitation
runoff->precipitation->condensation->transpiration
none of these
- 20. Multiple Choice
In the carbon cycle, autotrophs.....
remove carbon from the atmosphere during cellular respiration.
release carbon to the atmosphere during photosynthesis.
remove carbon from the atmosphere during photosynthesis.
remove oxygen from the atmosphere during photosynthesis.
- 21. Multiple Choice
Which statement is correct about the carbon cycle? (1) Cellular respiration release carbon into the atmosphere. (2) Ocean water can dissolve carbon from the atmosphere. (3) Volcanic eruptions release carbon into the atmosphere. (4) Burning fossil fuels releases carbon into the atmosphere.
1 and 4
1, 2, and 4
1, 3, and 4
All four statements are correct.
- 22. Multiple Choice
Carbon is stored in the ecosystem (1) in the atmosphere, (2) in living organisms, or (3) as fossil fuel deposits.
2 only
3 only
2 and 3
1, 2, and 3
- 23. Multiple Choice
Precipitation that flows over the surface of the ground is called groundwater.
True
False
- 24. Multiple Choice
Condensation is the process in which water falls as rain, sleet, or snow.
True
False
- 25. Multiple Choice
Part of a cycle that holds an element for a short period of time is an exchange pool.
True
False
- 26. Multiple Choice
Transpiration occurs when plants release water vapor.
True
False
- 27. Multiple Choice
Nitrogen fixation is carried out by nitrogen-fixing plants and fungi.
True
False
- 28. Multiple Choice
The deep ocean is a reservoir that may hold ___________ for thousands of years.
Chemicals
Fuels
Water
Old tires
- 29. Multiple Choice
Photosynthesis removes _________________________ from the atmosphere and uses it to make organic compounds.
Oxygen
Carbon Dioxide
Glucose
Nitrogen
- 30. Multiple Choice
________________ is an important part of living things; it is found in proteins, nucleic acids, and chlorophyll.
Sunlight
Nitrogen
Glycogen
Water
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