1.3 Homeostasis and Feedback Loops
Authored by TARA FERRON
Biology
9th - 10th Grade
NGSS covered
Used 128+ times
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This quiz thoroughly covers homeostasis and feedback mechanisms, fundamental concepts in high school biology appropriate for grades 9-10. Students need a solid understanding that homeostasis represents the maintenance of stable internal conditions within living organisms, despite external environmental changes. The core concepts assessed include distinguishing between positive and negative feedback loops, where negative feedback works to counteract changes and return systems to normal ranges, while positive feedback amplifies responses. Students must grasp the four-component structure of feedback loops: stimulus, receptor, control center, and effector, and understand how these components work together in sequence. The quiz evaluates students' ability to analyze real-world examples such as temperature regulation through shivering and sweating, blood glucose control via insulin release, and dehydration responses through kidney function. Additionally, students need to recognize that hormones serve as chemical messengers in these regulatory processes and understand that failure to maintain homeostasis can lead to cellular dysfunction and death. Created by Tara Ferron, a Biology teacher in the US who teaches grades 9-10. This quiz serves as an excellent formative assessment tool to gauge student understanding of regulatory mechanisms before moving into more complex physiological systems. Teachers can effectively use this as a warm-up activity to activate prior knowledge, as guided practice during instruction to reinforce key vocabulary and concepts, or as homework to solidify learning after classroom discussions. The variety of question formats, from basic terminology to scenario analysis, makes it ideal for differentiated instruction and helps identify students who need additional support with abstract biological processes. The quiz aligns with NGSS standards LS1.A (Structure and Function) and LS1.B (Growth and Development of Organisms), as well as supporting the crosscutting concept of systems and system models that runs throughout high school biology curricula.
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22 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is another word that can be used to describe "homeostasis"?
Tags
NGSS.HS-LS1-3
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If the environment gets cold, we will often shiver in order to:
Tags
NGSS.HS-LS1-3
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Homeostasis in the human body is often maintained by a:
Tags
NGSS.HS-LS1-3
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The maintenance of an organism’s internal environment is called:
Tags
NGSS.HS-LS1-3
NGSS.HS-LS1-2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
chemical made by glands that tell cells to make something or respond in some way.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Homeostasis
allows for a wildly fluctuating internal environment
keeps conditions exactly the same
maintaining a stable internal environment
creates tissues from specialized cells
Tags
NGSS.HS-LS1-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Positive feedback is when the change caused by the stimulus is
Tags
NGSS.HS-LS1-3
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