

Mastering Feedback Loops in Biological Systems
Interactive Video
•
Biology, Science, Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key difference between negative and positive feedback loops?
Negative feedback loops amplify changes, while positive feedback loops reduce them.
Negative feedback loops reduce changes, while positive feedback loops amplify them.
Both types of feedback loops reduce changes.
Both types of feedback loops amplify changes.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT an element of a feedback loop?
Stimulus
Catalyst
Receptor
Effector
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the speed sign example, what acts as the receptor?
The speed sign
The road
The driver's eye
The car's engine
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the thermostat analogy, what role does the furnace play?
Stimulus
Effector
Receptor
Response
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What organ acts as the receptor in thermoregulation?
Heart
Pancreas
Liver
Hypothalamus
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of sweat glands in thermoregulation?
To store excess heat
To increase body temperature
To decrease body temperature through evaporative cooling
To produce hormones
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which cells in the pancreas are responsible for secreting insulin?
Beta cells
Alpha cells
Gamma cells
Delta cells
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