Ecosystem Interactions and Predictions Quiz
Authored by Arti Jewett
Biology
9th Grade
NGSS covered
Used 11+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a terrestrial ecosystem, which trophic level contains the most energy and biomass at any given time?
Primary consumers
Secondary consumers
Producers
Decomposers
Tags
NGSS.MS-LS2-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain how decomposers contribute to the cycling of matter in an ecosystem.
They consume producers and release energy as heat.
They break down waste and dead organisms, returning nutrients to the soil or water.
They produce energy through photosynthesis.
They store energy in the form of biomass.
Tags
NGSS.MS-LS2-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a disease significantly reduces the population of primary consumers in an ecosystem, what is a likely consequence for the producers?
Producers will increase due to less predation.
Producers will decrease due to increased competition.
Producers will remain unaffected.
Producers will decrease due to less energy flow.
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-1
NGSS.MS-LS2-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary role of producers in an ecosystem?
To decompose organic matter
To convert solar energy into chemical energy
To consume other organisms
To recycle nutrients
Tags
NGSS.MS-LS2-3
NGSS.MS-LS1-6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe the flow of energy in a food chain starting from producers.
Energy flows from decomposers to producers to consumers.
Energy flows from consumers to producers to decomposers.
Energy flows from producers to consumers to decomposers.
Energy flows from consumers to decomposers to producers.
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How might an increase in the population of secondary consumers affect the primary consumers in an ecosystem?
Primary consumers will increase due to more available food.
Primary consumers will decrease due to increased predation.
Primary consumers will remain stable.
Primary consumers will decrease due to less competition.
Tags
NGSS.MS-LS2-2
NGSS.MS-LS2-1
NGSS.MS-LS2-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the energy that is not used for growth or homeostasis in an organism?
It is stored indefinitely.
It is lost to the environment as waste and heat.
It is converted into biomass.
It is recycled back to the producers.
Tags
NGSS.MS-LS2-3
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