
Ch. 4.1 and 4.2 Review Questions
Authored by Isaiah Jimenez
Biology
9th Grade
NGSS covered
Used 9+ times

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42 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a food chain?
A series of steps in which organisms transfer energy by eating and being eaten
A network of complex interactions formed by the feeding relationships among organisms
A model that shows the relative amount of energy available at each trophic level
The total mass of living tissue within a trophic level
Tags
NGSS.MS-LS2-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a food web?
A network of complex interactions formed by the feeding relationships among organisms
A series of steps in which organisms transfer energy by eating and being eaten
A model that shows the relative amount of energy available at each trophic level
The total mass of living tissue within a trophic level
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does energy flow in an ecosystem?
From consumers to primary producers
From primary producers through various consumers
In a random and unpredictable manner
In multiple directions within a food web
Tags
NGSS.MS-LS2-3
NGSS.MS-LS1-6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of decomposers in food webs?
They regulate the population of primary consumers
They provide energy to primary producers through photosynthesis
They directly consume primary producers
They convert dead material to detritus, which is eaten by detritivores
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do changes in a food web affect ecosystems?
Changes only affect the top predators
Changes only affect the primary producers
Changes always have a positive impact on ecosystems
The effects are hard to predict and can be minor or dramatic
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do ecological pyramids represent?
The average lifespan of organisms in each trophic level
The total number of organisms in each trophic level
The relative amount of energy or matter in each trophic level
The genetic diversity within each trophic level
Tags
NGSS.MS-LS2-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the shape of a pyramid of energy?
Widest at the bottom and narrowest at the top
Narrowest at the bottom and widest at the top
Symmetrical with equal width at each level
Irregular and unpredictable
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