Homeostasis and Thermoregulation

Quiz
•
Science
•
9th Grade
•
Hard
+1
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a negative feedback loop, what happens to a variable (like temperature) when it increases past its normal state?
It continues to increase.
It decreases until it resumes its normal state.
It decreases until it is lower than its normal state.
It does not change.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When you are cold, you shiver and your blood vessels contract, which warms you up. When you are hot, you sweat and your blood vessels expand, which cools you down.
Positive Feedback Response
Negative Feedback Loop
Tags
NGSS.HS-LS1-3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The two types of feedback systems that help organisms maintain homeostasis are:
positive and negative
receptor and effector
static and dynamic
minor and major
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels. This is an example of a:
Positive Feedback Loop
Negative Feedback Loop
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Homeostasis
allows for a wildly fluctuating internal environment
is impossible in vertebrates
is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation
is the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation
Tags
NGSS.HS-LS1-3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The tendency of an organism to maintain a balanced state in order to stay healthy.
Stimuli
Response
Tropism
Homestasis
Tags
NGSS.MS-LS1-2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Negative Feedback Loops:
amplify processes
maintains the normal state
are initiated during childbirth
are found only in plants
Tags
NGSS.HS-LS1-3
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