Difference between revisions of "HS-LS1-2"
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(Assessment section: table of all tagged exam and sample-cluster questions, grouped by subject and exam (most recent first)) |
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{{Navlinks|HS-LS1-1|HS-LS1-3|← HS-LS1-1|HS-LS1-3 →}} | {{Navlinks|HS-LS1-1|HS-LS1-3|← HS-LS1-1|HS-LS1-3 →}} | ||
{{learningstandard | {{learningstandard | ||
| + | | topic = Body Systems and Functions | ||
| ls = Develop and use a model to illustrate the hierarchical organization of interacting systems that provide | | ls = Develop and use a model to illustrate the hierarchical organization of interacting systems that provide | ||
specific functions within multicellular organisms. | specific functions within multicellular organisms. | ||
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| ab = Assessment does not include interactions and functions at the molecular or chemical reaction level. | | ab = Assessment does not include interactions and functions at the molecular or chemical reaction level. | ||
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== {{Assessmentheading}} == | == {{Assessmentheading}} == | ||
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! style="padding: 0.5em 1.5em;" | Question | ! style="padding: 0.5em 1.5em;" | Question | ||
|- | |- | ||
| − | | rowspan="2" style="background-color:white;" | [[August 2026 Life Science: Biology Exam|August 2026]] | + | | rowspan="2" style="background-color:white;" | [[August 2026 Life Science: Biology Exam|August 2026 Biology Regents]] |
| style="background-color:white;" | [[Questions:Star of the Tide Pool|Star of the Tide Pool]] | | style="background-color:white;" | [[Questions:Star of the Tide Pool|Star of the Tide Pool]] | ||
| style="background-color:white;" | [[Questions:Star of the Tide Pool#q2|Question 2]] | | style="background-color:white;" | [[Questions:Star of the Tide Pool#q2|Question 2]] | ||
| Line 37: | Line 23: | ||
| style="background-color:white;" | [[Questions:Homeostasis in Plants#q1|Question 30]] | | style="background-color:white;" | [[Questions:Homeostasis in Plants#q1|Question 30]] | ||
|- | |- | ||
| − | | rowspan="2" style="background-color:white;" | [[June 2026 Life Science: Biology Exam|June 2026]] | + | | rowspan="2" 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#q1|Question 1]] | | style="background-color:white;" | [[Questions:A Seasonal Strategy for Survival#q1|Question 1]] | ||
| Line 44: | Line 30: | ||
| style="background-color:white;" | [[Questions:Caffeine’s Effect on the Body#q1|Question 38]] | | style="background-color:white;" | [[Questions:Caffeine’s Effect on the Body#q1|Question 38]] | ||
|- | |- | ||
| − | | rowspan="3" style="background-color:white;" | [[January 2026 Life Science: Biology Exam|January 2026]] | + | | rowspan="3" style="background-color:white;" | [[January 2026 Life Science: Biology Exam|January 2026 Biology Regents]] |
| style="background-color:white;" | [[Questions:Solving the Problem of Cat Allergies|Solving the Problem of Cat Allergies]] | | style="background-color:white;" | [[Questions:Solving the Problem of Cat Allergies|Solving the Problem of Cat Allergies]] | ||
| style="background-color:white;" | [[Questions:Solving the Problem of Cat Allergies#q2|Question 15]] | | style="background-color:white;" | [[Questions:Solving the Problem of Cat Allergies#q2|Question 15]] | ||
| Line 54: | Line 40: | ||
| style="background-color:white;" | [[Questions:Purple Insect Eater#q4|Question 40]] | | style="background-color:white;" | [[Questions:Purple Insect Eater#q4|Question 40]] | ||
|- | |- | ||
| − | | rowspan="4" style="background-color:white;" | [[August 2025 Life Science: Biology Exam|August 2025]] | + | | rowspan="4" 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#q1|Question 1]] | | style="background-color:white;" | [[Questions:Trees Have Organ Systems#q1|Question 1]] | ||
| Line 67: | Line 53: | ||
| style="background-color:white;" | [[Questions:How Do Kangaroo Rats Survive in the Desert?#q3|Question 31]] | | style="background-color:white;" | [[Questions:How Do Kangaroo Rats Survive in the Desert?#q3|Question 31]] | ||
|- | |- | ||
| − | | style="background-color:white;" | [[June 2025 Life Science: Biology Exam|June 2025]] | + | | 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!#q1|Question 6]] | | style="background-color:white;" | [[Questions:Drinking Water Is Just The Beginning!#q1|Question 6]] | ||
|} | |} | ||
| + | == Vocabulary == | ||
| + | Terms from the [[Biology Glossary]] that come from this standard or from the released exam questions that assess it. | ||
| + | |||
| + | <div class="vocab-subhead">From this standard</div> | ||
| + | <div class="vocab-list" style="column-width:14em;"> | ||
| + | * antibiotic | ||
| + | * artery | ||
| + | * blood | ||
| + | * cell | ||
| + | * circulatory system | ||
| + | * disease | ||
| + | * elastic tissue | ||
| + | * hierarchical organization | ||
| + | * homeostasis | ||
| + | * immune response | ||
| + | * interacting systems | ||
| + | * matter | ||
| + | * multicellular organism | ||
| + | * neural stimuli | ||
| + | * nutrient uptake | ||
| + | * organ | ||
| + | * organ system | ||
| + | * smooth muscle | ||
| + | * stimulus (response to stimuli) | ||
| + | * structure and function | ||
| + | * system model | ||
| + | * tissue | ||
| + | * vaccination | ||
| + | </div> | ||
| + | |||
| + | <div class="vocab-subhead">From released exam questions</div> | ||
| + | <div class="vocab-list" style="column-width:20em;"> | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|adaptation]] – June 2026, [[Questions:How Do Kangaroo Rats Survive in the Desert?#q1|Aug 2025]] | ||
| + | * [[Questions:Drinking Water Is Just The Beginning!#q1|adrenal gland]] – June 2025 | ||
| + | * [[Questions:Caffeine’s Effect on the Body#q1|air sac]] – June 2026 | ||
| + | * [[Questions:Solving the Problem of Cat Allergies#q2|allergy]] – Jan 2026 | ||
| + | * [[Questions:A Unique Relationship: Mulberries and Silk#q3|antenna]] – Aug 2025 | ||
| + | * [[Questions:Solving the Problem of Cat Allergies#q2|bind (to a receptor)]] – Jan 2026 | ||
| + | * [[Questions:How Do Kangaroo Rats Survive in the Desert?#q1|bladder]] – Aug 2025, [[Questions:Drinking Water Is Just The Beginning!#q1|June 2025]] | ||
| + | * [[Questions:Drinking Water Is Just The Beginning!#q1|blood sugar]] – June 2025 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|blood vessel]] – June 2026, [[Questions:Diabetes#q2|Jan 2026]], [[Questions:How Do Kangaroo Rats Survive in the Desert?#q1|Aug 2025]] | ||
| + | * [[Questions:Star of the Tide Pool#q2|body system]] – Aug 2026, [[Questions:A Seasonal Strategy for Survival#q1|June 2026]], [[Questions:Diabetes#q2|Jan 2026]], [[Questions:How Do Kangaroo Rats Survive in the Desert?#q1|Aug 2025]] | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|body temperature]] – June 2026 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|bone]] – June 2026 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|bone marrow]] – June 2026 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|brain]] – June 2026, [[Questions:Drinking Water Is Just The Beginning!#q1|June 2025]] | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|breathing rate]] – June 2026 | ||
| + | * [[Questions:Caffeine’s Effect on the Body#q1|capillary]] – June 2026, [[Questions:How Do Kangaroo Rats Survive in the Desert?#q1|Aug 2025]] | ||
| + | * [[Questions:Drinking Water Is Just The Beginning!#q1|carbon]] – June 2025 | ||
| + | * [[Questions:Purple Insect Eater#q4|carnivorous plant]] – Jan 2026 | ||
| + | * [[Questions:Diabetes#q2|cell membrane]] – Jan 2026 | ||
| + | * [[Questions:Homeostasis in Plants#q1|cell wall]] – Aug 2026 | ||
| + | * [[Questions:How Do Kangaroo Rats Survive in the Desert?#q3|cellular respiration]] – Aug 2025 | ||
| + | * [[Questions:Homeostasis in Plants#q1|chloroplast]] – Aug 2026 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|climate]] – June 2026 | ||
| + | * [[Questions:Caffeine’s Effect on the Body#q1|compound]] – June 2026, [[Questions:Purple Insect Eater#q4|Jan 2026]] | ||
| + | * [[Questions:Homeostasis in Plants#q1|cycling of matter]] – Aug 2026 | ||
| + | * [[Questions:Trees Have Organ Systems#q1|dermal tissue]] – Aug 2025 | ||
| + | * [[Questions:Diabetes#q2|diabetes]] – Jan 2026 | ||
| + | * [[Questions:How Do Kangaroo Rats Survive in the Desert?#q1|diffusion]] – Aug 2025 | ||
| + | * [[Questions:Star of the Tide Pool#q2|digestive system]] – Aug 2026, [[Questions:Caffeine’s Effect on the Body#q1|June 2026]], [[Questions:Diabetes#q2|Jan 2026]], [[Questions:A Unique Relationship: Mulberries and Silk#q3|Aug 2025]] | ||
| + | * [[Questions:Diabetes#q2|endocrine system]] – Jan 2026, [[Questions:Drinking Water Is Just The Beginning!#q1|June 2025]] | ||
| + | * [[Questions:Trees Have Organ Systems#q1|epidermis]] – Aug 2025 | ||
| + | * [[Questions:How Do Kangaroo Rats Survive in the Desert?#q3|evolution]] – Aug 2025 | ||
| + | * [[Questions:How Do Kangaroo Rats Survive in the Desert?#q1|excretory system]] – Aug 2025 | ||
| + | * [[Questions:Homeostasis in Plants#q1|feedback mechanism]] – Aug 2026 | ||
| + | * [[Questions:Homeostasis in Plants#q1|flow of energy]] – Aug 2026 | ||
| + | * [[Questions:Star of the Tide Pool#q2|gland]] – Aug 2026 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|heart]] – June 2026 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|heart rate]] – June 2026 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|hibernation]] – June 2026 | ||
| + | * [[Questions:Solving the Problem of Cat Allergies#q2|immune system]] – Jan 2026 | ||
| + | * [[Questions:Trees Have Organ Systems#q1|investigation]] – Aug 2025 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|kidney]] – June 2026, [[Questions:How Do Kangaroo Rats Survive in the Desert?#q1|Aug 2025]], [[Questions:Drinking Water Is Just The Beginning!#q1|June 2025]] | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|large intestine]] – June 2026 | ||
| + | * [[Questions:Homeostasis in Plants#q1|leaf]] – Aug 2026, [[Questions:Purple Insect Eater#q4|Jan 2026]] | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|life processes]] – June 2026 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|liver]] – June 2026 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|lung]] – June 2026, [[Questions:Solving the Problem of Cat Allergies#q2|Jan 2026]] | ||
| + | * [[Questions:Solving the Problem of Cat Allergies#q2|mast cell]] – Jan 2026 | ||
| + | * [[Questions:Trees Have Organ Systems#q1|mineral]] – Aug 2025 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|muscle]] – June 2026, [[Questions:Diabetes#q2|Jan 2026]], [[Questions:A Unique Relationship: Mulberries and Silk#q3|Aug 2025]], [[Questions:Drinking Water Is Just The Beginning!#q1|June 2025]] | ||
| + | * [[Questions:Diabetes#q2|muscle cell]] – Jan 2026 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|muscular system]] – June 2026, [[Questions:A Unique Relationship: Mulberries and Silk#q3|Aug 2025]], [[Questions:Drinking Water Is Just The Beginning!#q1|June 2025]] | ||
| + | * [[Questions:Diabetes#q2|musculoskeletal system]] – Jan 2026 | ||
| + | * [[Questions:How Do Kangaroo Rats Survive in the Desert?#q1|nephron]] – Aug 2025 | ||
| + | * [[Questions:How Do Kangaroo Rats Survive in the Desert?#q1|nephron loop]] – Aug 2025 | ||
| + | * [[Questions:A Unique Relationship: Mulberries and Silk#q3|nerve]] – Aug 2025, [[Questions:Drinking Water Is Just The Beginning!#q1|June 2025]] | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|nervous system]] – June 2026, [[Questions:A Unique Relationship: Mulberries and Silk#q3|Aug 2025]], [[Questions:Drinking Water Is Just The Beginning!#q1|June 2025]] | ||
| + | * [[Questions:Purple Insect Eater#q4|nitrogen]] – Jan 2026 | ||
| + | * [[Questions:Drinking Water Is Just The Beginning!#q1|oxygen]] – June 2025 | ||
| + | * [[Questions:Diabetes#q2|pancreas]] – Jan 2026 | ||
| + | * [[Questions:Trees Have Organ Systems#q1|phloem]] – Aug 2025 | ||
| + | * [[Questions:Trees Have Organ Systems#q1|photosynthesis]] – Aug 2025 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|platelet]] – June 2026 | ||
| + | * [[Questions:How Do Kangaroo Rats Survive in the Desert?#q3|predator]] – Aug 2025 | ||
| + | * [[Questions:Star of the Tide Pool#q2|prey]] – Aug 2026 | ||
| + | * [[Questions:Diabetes#q2|protein]] – Jan 2026 | ||
| + | * [[Questions:Drinking Water Is Just The Beginning!#q1|renal artery and renal vein]] – June 2025 | ||
| + | * [[Questions:Star of the Tide Pool#q2|reproductive system]] – Aug 2026 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|resources]] – June 2026 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|respiratory system]] – June 2026, [[Questions:Solving the Problem of Cat Allergies#q2|Jan 2026]] | ||
| + | * [[Questions:Homeostasis in Plants#q1|root]] – Aug 2026, [[Questions:Purple Insect Eater#q4|Jan 2026]], [[Questions:Trees Have Organ Systems#q1|Aug 2025]] | ||
| + | * [[Questions:Purple Insect Eater#q4|root hair cell]] – Jan 2026 | ||
| + | * [[Questions:Homeostasis in Plants#q1|root system]] – Aug 2026, [[Questions:Purple Insect Eater#q4|Jan 2026]], [[Questions:Trees Have Organ Systems#q1|Aug 2025]] | ||
| + | * [[Questions:Star of the Tide Pool#q2|sensory system]] – Aug 2026 | ||
| + | * [[Questions:Homeostasis in Plants#q1|shoot system]] – Aug 2026, [[Questions:Purple Insect Eater#q4|Jan 2026]], [[Questions:Trees Have Organ Systems#q1|Aug 2025]] | ||
| + | * [[Questions:Solving the Problem of Cat Allergies#q2|signal molecule]] – Jan 2026 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|skeletal system]] – June 2026 | ||
| + | * [[Questions:A Unique Relationship: Mulberries and Silk#q3|skin]] – Aug 2025 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|small intestine]] – June 2026, [[Questions:Diabetes#q2|Jan 2026]] | ||
| + | * [[Questions:Purple Insect Eater#q4|soil]] – Jan 2026, [[Questions:Trees Have Organ Systems#q1|Aug 2025]] | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|species]] – June 2026, [[Questions:How Do Kangaroo Rats Survive in the Desert?#q1|Aug 2025]] | ||
| + | * [[Questions:How Do Kangaroo Rats Survive in the Desert?#q3|spinal cord]] – Aug 2025 | ||
| + | * [[Questions:Homeostasis in Plants#q1|stem]] – Aug 2026, [[Questions:Purple Insect Eater#q4|Jan 2026]], [[Questions:Trees Have Organ Systems#q1|Aug 2025]] | ||
| + | * [[Questions:Star of the Tide Pool#q2|stomach]] – Aug 2026, [[Questions:A Seasonal Strategy for Survival#q1|June 2026]], [[Questions:Diabetes#q2|Jan 2026]] | ||
| + | * [[Questions:Homeostasis in Plants#q1|stomate]] – Aug 2026 | ||
| + | * [[Questions:A Seasonal Strategy for Survival#q1|survival]] – June 2026, [[Questions:How Do Kangaroo Rats Survive in the Desert?#q3|Aug 2025]] | ||
| + | * [[Questions:How Do Kangaroo Rats Survive in the Desert?#q1|tubule]] – Aug 2025 | ||
| + | * [[Questions:Drinking Water Is Just The Beginning!#q1|ureter]] – June 2025 | ||
| + | * [[Questions:Drinking Water Is Just The Beginning!#q1|urethra]] – June 2025 | ||
| + | * [[Questions:Drinking Water Is Just The Beginning!#q1|urinary system]] – June 2025 | ||
| + | * [[Questions:Homeostasis in Plants#q1|vacuole]] – Aug 2026 | ||
| + | * [[Questions:Trees Have Organ Systems#q1|vascular bundle]] – Aug 2025 | ||
| + | * [[Questions:Homeostasis in Plants#q1|vein (leaf)]] – Aug 2026, [[Questions:Drinking Water Is Just The Beginning!#q1|June 2025]] | ||
| + | * [[Questions:How Do Kangaroo Rats Survive in the Desert?#q1|waste]] – Aug 2025, [[Questions:Drinking Water Is Just The Beginning!#q1|June 2025]] | ||
| + | * [[Questions:Star of the Tide Pool#q2|water vascular system]] – Aug 2026 | ||
| + | * [[Questions:Trees Have Organ Systems#q1|xylem]] – Aug 2025 | ||
| + | </div> | ||
| + | |||
| + | {{PerformanceLevel}} | ||
| + | {{PLTable | ||
| + | | Level5 = Develop and revise a model based on evidence to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms. | ||
| + | | Level4 = Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms. | ||
| + | | Level3 = Complete a model to illustrate that the hierarchical organization of interacting systems provides specific functions within multicellular organisms. | ||
| + | | Level2 = Given a model, describe the organization of at least two systems and the interactions of those systems within an organism. | ||
| + | | Example2 = <span class="pld-chip pld-chip-bio">[[Questions:Diabetes#q2|Jan 2026 · Q24]]</span> <span class="pld-chip pld-chip-bio">[[Questions:Purple Insect Eater#q4|Jan 2026 · Q40]]</span> <span class="pld-chip pld-chip-bio">[[Questions:Solving the Problem of Cat Allergies#q2|Jan 2026 · Q15]]</span> <span class="pld-chip pld-chip-bio">[[Questions:How Do Kangaroo Rats Survive in the Desert?#q1|Aug 2025 · Q29]]</span> <span class="pld-chip pld-chip-bio">[[Questions:Trees Have Organ Systems#q1|Aug 2025 · Q1]]</span> | ||
| + | | Level1 = Given a model, identify components that show interactions of two systems within an organism. | ||
| + | | Example1 = <span class="pld-chip pld-chip-bio">[[Questions:Homeostasis in Plants#q1|Aug 2026 · Q30]]</span> <span class="pld-chip pld-chip-bio">[[Questions:Star of the Tide Pool#q2|Aug 2026 · Q2]]</span> <span class="pld-chip pld-chip-bio">[[Questions:A Seasonal Strategy for Survival#q1|June 2026 · Q1]]</span> <span class="pld-chip pld-chip-bio">[[Questions:Caffeine’s Effect on the Body#q1|June 2026 · Q38]]</span> <span class="pld-chip pld-chip-bio">[[Questions:A Unique Relationship: Mulberries and Silk#q3|Aug 2025 · Q13]]</span> <span class="pld-chip pld-chip-bio">[[Questions:How Do Kangaroo Rats Survive in the Desert?#q3|Aug 2025 · Q31]]</span> <span class="pld-chip pld-chip-bio">[[Questions:Drinking Water Is Just The Beginning!#q1|June 2025 · Q6]]</span> | ||
| + | }} | ||
| + | |||
| + | == {{Resourcesheading}} == | ||
| + | {{resourcesmessage}} | ||
| + | |||
| + | {{expandthissection}} <!-- Remove this after this section has been expanded upon --> | ||
== {{Dimensionsheading}} == | == {{Dimensionsheading}} == | ||
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| TOPIC = HS. Structure and Function | | TOPIC = HS. Structure and Function | ||
}} | }} | ||
| − | |||
Latest revision as of 09:46, 18 October 2026
Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.
Clarification statement: Emphasis is on functions at the organism’s system level such as nutrient uptake, water delivery, immune response, and organism response to stimuli. An example of an interacting system could be an artery depending on the proper function of elastic tissue and smooth muscle to regulate and deliver the proper amount of blood within the circulatory system.
Assessment boundary: Assessment does not include interactions and functions at the molecular or chemical reaction level.
Regents Exam Questions
Released New York State Regents exam questions that assess HS-LS1-2 are listed here by exam and question cluster. Each link opens the question with its answer key.
Vocabulary
Terms from the Biology Glossary that come from this standard or from the released exam questions that assess it.
From this standard
- antibiotic
- artery
- blood
- cell
- circulatory system
- disease
- elastic tissue
- hierarchical organization
- homeostasis
- immune response
- interacting systems
- matter
- multicellular organism
- neural stimuli
- nutrient uptake
- organ
- organ system
- smooth muscle
- stimulus (response to stimuli)
- structure and function
- system model
- tissue
- vaccination
From released exam questions
- adaptation – June 2026, Aug 2025
- adrenal gland – June 2025
- air sac – June 2026
- allergy – Jan 2026
- antenna – Aug 2025
- bind (to a receptor) – Jan 2026
- bladder – Aug 2025, June 2025
- blood sugar – June 2025
- blood vessel – June 2026, Jan 2026, Aug 2025
- body system – Aug 2026, June 2026, Jan 2026, Aug 2025
- body temperature – June 2026
- bone – June 2026
- bone marrow – June 2026
- brain – June 2026, June 2025
- breathing rate – June 2026
- capillary – June 2026, Aug 2025
- carbon – June 2025
- carnivorous plant – Jan 2026
- cell membrane – Jan 2026
- cell wall – Aug 2026
- cellular respiration – Aug 2025
- chloroplast – Aug 2026
- climate – June 2026
- compound – June 2026, Jan 2026
- cycling of matter – Aug 2026
- dermal tissue – Aug 2025
- diabetes – Jan 2026
- diffusion – Aug 2025
- digestive system – Aug 2026, June 2026, Jan 2026, Aug 2025
- endocrine system – Jan 2026, June 2025
- epidermis – Aug 2025
- evolution – Aug 2025
- excretory system – Aug 2025
- feedback mechanism – Aug 2026
- flow of energy – Aug 2026
- gland – Aug 2026
- heart – June 2026
- heart rate – June 2026
- hibernation – June 2026
- immune system – Jan 2026
- investigation – Aug 2025
- kidney – June 2026, Aug 2025, June 2025
- large intestine – June 2026
- leaf – Aug 2026, Jan 2026
- life processes – June 2026
- liver – June 2026
- lung – June 2026, Jan 2026
- mast cell – Jan 2026
- mineral – Aug 2025
- muscle – June 2026, Jan 2026, Aug 2025, June 2025
- muscle cell – Jan 2026
- muscular system – June 2026, Aug 2025, June 2025
- musculoskeletal system – Jan 2026
- nephron – Aug 2025
- nephron loop – Aug 2025
- nerve – Aug 2025, June 2025
- nervous system – June 2026, Aug 2025, June 2025
- nitrogen – Jan 2026
- oxygen – June 2025
- pancreas – Jan 2026
- phloem – Aug 2025
- photosynthesis – Aug 2025
- platelet – June 2026
- predator – Aug 2025
- prey – Aug 2026
- protein – Jan 2026
- renal artery and renal vein – June 2025
- reproductive system – Aug 2026
- resources – June 2026
- respiratory system – June 2026, Jan 2026
- root – Aug 2026, Jan 2026, Aug 2025
- root hair cell – Jan 2026
- root system – Aug 2026, Jan 2026, Aug 2025
- sensory system – Aug 2026
- shoot system – Aug 2026, Jan 2026, Aug 2025
- signal molecule – Jan 2026
- skeletal system – June 2026
- skin – Aug 2025
- small intestine – June 2026, Jan 2026
- soil – Jan 2026, Aug 2025
- species – June 2026, Aug 2025
- spinal cord – Aug 2025
- stem – Aug 2026, Jan 2026, Aug 2025
- stomach – Aug 2026, June 2026, Jan 2026
- stomate – Aug 2026
- survival – June 2026, Aug 2025
- tubule – Aug 2025
- ureter – June 2025
- urethra – June 2025
- urinary system – June 2025
- vacuole – Aug 2026
- vascular bundle – Aug 2025
- vein (leaf) – Aug 2026, June 2025
- waste – Aug 2025, June 2025
- water vascular system – Aug 2026
- xylem – Aug 2025
Performance Level Descriptions
Every Regents exam question on HS-LS1-2 is written to match one of the performance level descriptions (PLDs) below.
Level 1: Given a model, identify components that show interactions of two systems within an organism. Aug 2026 · Q30 Aug 2026 · Q2 June 2026 · Q1 June 2026 · Q38 Aug 2025 · Q13 Aug 2025 · Q31 June 2025 · Q6
Level 2: Given a model, describe the organization of at least two systems and the interactions of those systems within an organism. Jan 2026 · Q24 Jan 2026 · Q40 Jan 2026 · Q15 Aug 2025 · Q29 Aug 2025 · Q1
Level 3: Complete a model to illustrate that the hierarchical organization of interacting systems provides specific functions within multicellular organisms.
Level 4: Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.
Level 5: Develop and revise a model based on evidence to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.
Resources
Examples and discussion of resources for the learning, teaching, and assessment of HS-LS1-2.
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NGSS Dimensions
Performance expectation HS-LS1-2 was developed using the following elements from the NRC document A Framework for K-12 Science Education:
Science and Engineering Practices
- Developing and Using Models
- Develop and use a model based on evidence to illustrate the relationships between systems or between components of a system.
Disciplinary Core Ideas
- LS1.A: Structure and Function
- Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts, and is itself a component of the next level.
- (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
- Systems and System Models
- Models (e.g., physical, mathematical, computer models) can be used to simulate systems and interactions - including energy, matter, and information flows – within and between systems at different scales.
Page contributors: Conrad Richman, Caroline Leonard