Difference between revisions of "HS-LS1-3"

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{{DISPLAYTITLE:HS-LS1-3 {{!}} Homeostasis and Feedback}}
 
 
{{Navlinks|HS-LS1-2|HS-LS1-4|← HS-LS1-2|HS-LS1-4 →}}
 
{{Navlinks|HS-LS1-2|HS-LS1-4|← HS-LS1-2|HS-LS1-4 →}}
 
{{learningstandard
 
{{learningstandard
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| topic = Homeostasis and Feedback
 
| ls = Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis
 
| ls = Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis
 
| cs = Examples of investigations could include heart rate response to exercise, stomate response to moisture and temperature, and root development in response to water levels.
 
| cs = Examples of investigations could include heart rate response to exercise, stomate response to moisture and temperature, and root development in response to water levels.
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| rowspan="2" style="background-color:white;" | [[August 2026 Life Science: Biology Exam|August 2026]]
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| rowspan="2" style="background-color:white;" | [[August 2026 Life Science: Biology Exam|August 2026 Biology Regents]]
 
| style="background-color:white;" | [[Questions:Homeostasis in Plants|Homeostasis in Plants]]
 
| style="background-color:white;" | [[Questions:Homeostasis in Plants|Homeostasis in Plants]]
 
| style="background-color:white;" | [[Questions:Homeostasis in Plants#q3|Question 32]]
 
| style="background-color:white;" | [[Questions:Homeostasis in Plants#q3|Question 32]]
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| style="background-color:white;" | [[Questions:Homeostasis in Plants#q5|Question 34]]
 
| style="background-color:white;" | [[Questions:Homeostasis in Plants#q5|Question 34]]
 
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| rowspan="3" style="background-color:white;" | [[June 2026 Life Science: Biology Exam|June 2026]]
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| rowspan="3" style="background-color:white;" | [[June 2026 Life Science: Biology Exam|June 2026 Biology Regents]]
 
| style="background-color:white;" | [[Questions:A Seasonal Strategy for Survival|A Seasonal Strategy for Survival]]
 
| style="background-color:white;" | [[Questions:A Seasonal Strategy for Survival|A Seasonal Strategy for Survival]]
 
| style="background-color:white;" | [[Questions:A Seasonal Strategy for Survival#q2|Question 2]]
 
| style="background-color:white;" | [[Questions:A Seasonal Strategy for Survival#q2|Question 2]]
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| style="background-color:white;" | [[Questions:Polycystic Ovary Syndrome (PCOS)#q2|Question 16]]
 
| style="background-color:white;" | [[Questions:Polycystic Ovary Syndrome (PCOS)#q2|Question 16]]
 
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| style="background-color:white;" | [[January 2026 Life Science: Biology Exam|January 2026]]
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| style="background-color:white;" | [[January 2026 Life Science: Biology Exam|January 2026 Biology Regents]]
 
| style="background-color:white;" | [[Questions:Diabetes|Diabetes]]
 
| style="background-color:white;" | [[Questions:Diabetes|Diabetes]]
 
| style="background-color:white;" | [[Questions:Diabetes#q3|Question 25]]
 
| style="background-color:white;" | [[Questions:Diabetes#q3|Question 25]]
 
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| style="background-color:white;" | [[August 2025 Life Science: Biology Exam|August 2025]]
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| style="background-color:white;" | [[August 2025 Life Science: Biology Exam|August 2025 Biology Regents]]
 
| style="background-color:white;" | [[Questions:Trees Have Organ Systems|Trees Have Organ Systems]]
 
| style="background-color:white;" | [[Questions:Trees Have Organ Systems|Trees Have Organ Systems]]
 
| style="background-color:white;" | [[Questions:Trees Have Organ Systems#q2|Question 2]]
 
| style="background-color:white;" | [[Questions:Trees Have Organ Systems#q2|Question 2]]
 
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| rowspan="3" style="background-color:white;" | [[June 2025 Life Science: Biology Exam|June 2025]]
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| rowspan="3" style="background-color:white;" | [[June 2025 Life Science: Biology Exam|June 2025 Biology Regents]]
 
| style="background-color:white;" | [[Questions:Drinking Water Is Just The Beginning!|Drinking Water Is Just The Beginning!]]
 
| style="background-color:white;" | [[Questions:Drinking Water Is Just The Beginning!|Drinking Water Is Just The Beginning!]]
 
| style="background-color:white;" | [[Questions:Drinking Water Is Just The Beginning!#q3|Question 8]]
 
| style="background-color:white;" | [[Questions:Drinking Water Is Just The Beginning!#q3|Question 8]]
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| TOPIC = HS. Structure and Function
 
| TOPIC = HS. Structure and Function
 
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<metadesc>NYS Standard HS-LS1-3: Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis</metadesc>
 

Revision as of 13:00, 13 October 2026

← HS-LS1-2
HS-LS1-4 →

Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis

Clarification statement: Examples of investigations could include heart rate response to exercise, stomate response to moisture and temperature, and root development in response to water levels.

Assessment boundary: Assessment does not include the cellular processes involved in the feedback mechanism.

Regents Exam Questions

Released New York State Regents exam questions that assess HS-LS1-3 are listed here by exam and question cluster. Each link opens the question with its answer key.

Exam Cluster Question
August 2026 Biology Regents Homeostasis in Plants Question 32
Homeostasis in Plants Question 34
June 2026 Biology Regents A Seasonal Strategy for Survival Question 2
A Seasonal Strategy for Survival Question 4
Polycystic Ovary Syndrome (PCOS) Question 16
January 2026 Biology Regents Diabetes Question 25
August 2025 Biology Regents Trees Have Organ Systems Question 2
June 2025 Biology Regents Drinking Water Is Just The Beginning! Question 8
Drinking Water Is Just The Beginning! Question 9
Drinking Water Is Just The Beginning! Question 10

Performance Level Descriptions

Every Regents exam question on HS-LS1-3 is written to match one of the performance level descriptions (PLDs) below.

Level 1: Given an investigation with data, identify an explanation for how a feedback mechanism maintains homeostasis.
Level 2: Given an investigation with data, provide/identify the evidence that supports a claim that feedback mechanisms maintain homeostasis.
Level 3: Plan an investigation that could provide evidence that feedback mechanisms maintain homeostasis or given a plan and the results of an investigation, describe the evidence that feedback mechanisms maintain homeostasis.
Level 4: Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.
Level 5: Plan, conduct, and evaluate an investigation to provide evidence that feedback mechanisms maintain homeostasis.

Vocabulary

Terms from the Biology Glossary that come from this standard or from the released exam questions that assess it.

From this standard
  • antibiotic
  • behavior
  • claim
  • disease
  • feedback mechanism
  • heart rate
  • homeostasis
  • internal and external conditions
  • investigation
  • living system
  • negative feedback
  • positive feedback
  • root development
  • stability and change
  • stomata response
  • stomate
  • structure and function
  • vaccination
From released exam questions

Resources

Examples and discussion of resources for the learning, teaching, and assessment of HS-LS1-3.

Pixel beaver This section could be expanded upon. You can help out by adding to this section.


NGSS Dimensions

Performance expectation HS-LS1-3 was developed using the following elements from the NRC document A Framework for K-12 Science Education:

Science and Engineering Practices
  • Planning and Carrying Out Investigations
    • Plan and conduct an investigation individually and collaboratively to produce data to serve as the basis for evidence, and in the design: decide on types, how much, and accuracy of data needed to produce reliable measurements and consider limitations on the precision of the data (e.g., number of trials, cost, risk, time), and refine the design accordingly
Disciplinary Core Ideas
  • LS1.A: Structure and Function
    • Feedback mechanisms maintain a living system’s internal conditions within certain limits and mediate behaviors, allowing it to remain alive and functional even as external conditions change within some range. Feedback mechanisms can encourage (through positive feedback) or discourage (negative feedback) what is going on inside the living system.
    • (NYSED) Disease is a failure of homeostasis. Organisms have a variety of mechanisms to prevent and combat disease. Technological advances including vaccinations and antibiotics have contributed to the prevention and treatment of disease.
Crosscutting Concepts
  • Stability and Change
    • Feedback (negative or positive) can stabilize or destabilize a system.


Page contributors: Conrad Richman, Caroline Leonard
Biology | HS. Structure and Function
Retrieved from "https://nyssls.info/index.php?title=HS-LS1-3&oldid=6158"

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