Which biogeochemical cycle represents the movement of carbon through Earth's systems?

Ecology and Biogeochemical Cycles Assessment

Quiz
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others
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9th Grade
•
Medium
Jessica Helm
Used 9+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nitrogen cycle
Carbon cycle
Phosphorus cycle
Water cycle
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary source of energy in most ecosystems?
Decomposers
The Sun
Consumers
Minerals
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a food chain, what percentage of energy is typically transferred from one trophic level to the next?
90%
50%
10%
1%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is carrying capacity?
The maximum population size an environment can support
The minimum number of organisms needed for survival
The rate at which organisms reproduce
The amount of food available in an ecosystem
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a density-dependent limiting factor?
Temperature
Natural disasters
Competition for resources
Drought
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of succession occurs on bare rock where no soil exists?
Secondary succession
Primary succession
Tertiary succession
Climax succession
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which organisms convert nitrogen gas into a usable form for plants?
Decomposers
Nitrogen-fixing bacteria
Consumers
Producers
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