Ecology Feedback Loops
Quiz
•
Science
•
10th Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
Lisa Thompson
FREE Resource
Enhance your content in a minute
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Negative Feedback Loops:
amplify processes
prevent small changes from getting larger
are initiated during childbirth
are found only in plants
Tags
NGSS.HS-LS1-3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
As the Earth warms, increased evaporation produces more clouds. Clouds increase albedo, reflecting more light away from the Earth. The temperature falls. Rates of evaporation fall.
Positive Feedback Loop
Negative Feedback Loop
Tags
NGSS.HS-ESS2-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a positive feedback loop, each action creates a consequence that _____________________ the other action.
decreases
has no effect on
amplifies
Tags
NGSS.HS-LS1-3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a negative feedback loop, each action creates a consequence that _____________________ the other action.
decreases
has no effect on
amplifies
Tags
NGSS.HS-LS1-3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Does the graph show positive or negative feedback?
Positive, because when the red line shifts, the blue one does also
Negative, because the blue line starts below equilibrium
Negative, because the two actions are keeping each other near equilibrium
Both positive and negative because the graph moves up and down
Tags
NGSS.HS-LS1-3
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
When the population of deer in an area begin to grow, they start overgrazing the vegetation that feeds them. When there is not enough vegetation to sustain the rapidly growing deer population, they will begin to die off until the vegetation grows back to normal levels and the deer will have enough food to repopulate again.
Positive
Negative
Tags
NGSS.HS-LS2-1
NGSS.HS-LS2-2
NGSS.HS-LS2-6
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Negative feedback loops result in stabilization of a system.
Negative feedback is a process that _______ the effects of a change.
reduces
amplifies
has no effect
Tags
NGSS.HS-LS1-3
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