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- 011 . Biogeochemical Cycles And Ecosystem Dynamics
011 . Biogeochemical Cycles and Ecosystem Dynamics
Interactive Video
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
Chad Brosius
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to matter on Earth as it moves through biogeochemical cycles?
It is created and destroyed as needed.
It is constantly increasing in quantity.
It is conserved, moving between living and non-living components.
It is lost as heat during transfers.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following elements is NOT included in the mnemonic "CHNOPS" for essential nutrients?
Carbon
Hydrogen
Sodium
Oxygen
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following represents an abiotic component in biogeochemical cycles?
Biosphere
Plants
Atmosphere
Animals
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of nitrogen and phosphorus being "limiting nutrients"?
They are rarely found in ecosystems.
Life needs them, and their availability can restrict growth.
They are toxic in large quantities.
They are only used by specific types of organisms.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does energy typically move through an ecosystem?
It is recycled indefinitely within the system.
It flows from producers to consumers and is eventually lost as heat.
It is created by consumers and used by producers.
It remains constant in quantity throughout the ecosystem.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What process involves water evaporating from the leaves of plants?
Evaporation
Condensation
Evapotranspiration
Precipitation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do plants primarily obtain carbon from their environment?
Through cellular respiration.
By consuming other organisms.
Through photosynthesis.
By absorbing it from the soil.
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