What is the primary role of decomposers in an ecosystem?

Decomposers and Their Ecosystem Roles

Interactive Video
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Biology
•
6th - 7th Grade
•
Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To produce energy from sunlight
To create new organisms
To break down dead matter
To consume living organisms
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a decomposer?
Bacteria
Trees
Worms
Fungi
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What process do decomposers use to release energy from dead matter?
Transpiration
Cellular respiration
Fermentation
Photosynthesis
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During cellular respiration, what is released into the atmosphere?
Hydrogen
Carbon dioxide
Oxygen
Nitrogen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What important element do decomposers release from dead matter?
Helium
Carbon
Oxygen
Sulfur
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Besides carbon, what other nutrient do decomposers make available to the ecosystem?
Calcium
Phosphorus
Nitrogen
Potassium
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which organisms are responsible for releasing carbon dioxide through cellular respiration?
Only producers
Only decomposers
Only consumers
Decomposers, producers, and consumers
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