What is the primary reason the total amount of carbon in an ecosystem remains constant?

Effects of Decomposers and Deforestation

Interactive Video
•
Biology, Science, Chemistry
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Carbon cycles through different parts of the ecosystem.
Carbon is continuously created in the atmosphere.
Carbon is absorbed by the soil permanently.
Carbon is destroyed during photosynthesis.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the biodome simulation, what happens to the carbon in the atmosphere when decomposers are removed?
It increases significantly.
It is converted into oxygen.
It remains unchanged.
It decreases as carbon accumulates in dead matter.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why did the decomposer population decline in the biodome?
They were removed manually from the ecosystem.
They were exposed to too much sunlight.
They lacked resources due to deep burial of dead matter.
They were overfed with organic material.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do worms play in supporting decomposers in an ecosystem?
Worms produce oxygen for decomposers.
Worms prevent the growth of harmful bacteria.
Worms break down dead matter into smaller pieces.
Worms consume decomposers as food.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the immediate effect of burying dead matter on the biodome's ecosystem?
Increased photosynthesis rate.
Decreased energy storage in living organisms.
Increased oxygen levels.
Decreased water availability.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the removal of decomposers affect cellular respiration in the biodome?
It converts cellular respiration into photosynthesis.
It has no effect on cellular respiration.
It decreases cellular respiration.
It increases cellular respiration.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one major consequence of deforestation on carbon dioxide levels in the atmosphere?
No change in carbon dioxide levels.
Decreased carbon dioxide levels.
Increased photosynthesis.
Increased carbon dioxide levels.
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