
Ecosystem and Energy Transfer Quiz
Authored by Hend Nabil
Biology
3rd Grade
Used 1+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of decomposers in an ecosystem?
To produce oxygen
To break down dead plant and animal material
To create new organisms
To provide energy for the sun
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do decomposers get their energy?
By absorbing sunlight
By eating living plants
By breaking down dead materials
By consuming oxygen
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a food chain illustrate?
The migration patterns of animals
The transfer of energy from one organism to another
The life cycle of plants
The structure of an energy pyramid
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does energy transfer in a food chain differ from that in a food web?
A food chain shows a single path, while a food web shows multiple interconnected paths.
A food web has no producers, while a food chain has many.
Energy flows in multiple directions in a food chain.
Food chains are only found in terrestrial ecosystems
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do plants release as a byproduct of photosynthesis?
Carbon dioxide
Water vapor
Nitrogen
Oxygen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the base unit of length in the metric system?
Gram
Meter
Liter
Celsius
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes a hypothesis?
.A guess
A testable idea
An observation
A conclusion
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