Difference between revisions of "MS-LS4-6"
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| + | {{DISPLAYTITLE:MS-LS4-6 {{!}} Modeling Natural Selection}} | ||
| + | {{Navlinks|MS-LS4-4|MS-ESS1-1|← MS-LS4-4|MS-ESS1-1 →}} | ||
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| ls = Use mathematical representations to support explanations of how natural selection may lead to | | ls = Use mathematical representations to support explanations of how natural selection may lead to | ||
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| ab = Assessment does not include Hardy Weinberg calculations. | | ab = Assessment does not include Hardy Weinberg calculations. | ||
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| + | ! style="padding: 0.5em 1.5em;" | Exam | ||
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| + | | style="background-color:white;" | [[Spring 2025 Grade 8 Science Test|Spring 2025]] | ||
| + | | style="background-color:white;" | [[Questions:Behavior and Evolution of Guppies|Behavior and Evolution of Guppies]] | ||
| + | | style="background-color:white;" | [[Questions:Behavior and Evolution of Guppies#q3|Question 49]] | ||
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| + | {{PerformanceLevelMS}} | ||
{{PLTable | {{PLTable | ||
| Level4 = Use mathematical representations and other empirical data to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time. | | Level4 = Use mathematical representations and other empirical data to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time. | ||
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* Phenomena may have more than one cause, and some cause and effect relationships in systems can only be described using probability. | * Phenomena may have more than one cause, and some cause and effect relationships in systems can only be described using probability. | ||
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| − | | SUBJECT = [[ | + | | SUBJECT = [[MS]] |
| TOPIC = MS. Natural Selection and Adaptations | | TOPIC = MS. Natural Selection and Adaptations | ||
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<metadesc>NYS Standard MS-LS4-6: Use mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time.</metadesc> | <metadesc>NYS Standard MS-LS4-6: Use mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time.</metadesc> | ||
Latest revision as of 22:37, 20 September 2026
Use mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time.
Clarification statement: Emphasis is on using mathematical models, probability statements, and proportional reasoning to support explanations of trends in changes to populations over time.
Assessment boundary: Assessment does not include Hardy Weinberg calculations.
Assessment
What assessment of MS-LS4-6 might look like on a NY state exam.
| Exam | Cluster | Question |
|---|---|---|
| Spring 2025 | Behavior and Evolution of Guppies | Question 49 |
Performance Level Descriptions
PLDs communicate the knowledge and skills expected of students to demonstrate proficiency in each Learning Standard. NYS assessments classify student performance into one of four levels.
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Level 1: Use a given mathematical representation to identify the evidence that supports the explanation, from those provided, that natural selection causes an increase or decrease in a specific trait in a population.
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Level 2: Use a given mathematical representation to describe the evidence that supports the explanation that natural selection causes an increase and/or decrease in a specific trait in a population.
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Level 3: Use mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time.
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Level 4: Use mathematical representations and other empirical data to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time.
Resources
Examples and discussion of resources for the learning, teaching, and assessment of MS-LS4-6.
This section could be expanded upon. You can help out by adding to this section.
NGSS Dimensions
Performance expectation MS-LS4-6 was developed using the following elements from the NRC document A Framework for K-12 Science Education:
Science and Engineering Practices
- Using Mathematics and Computational Thinking
- Use mathematical representations to support scientific conclusions and design solutions.
Disciplinary Core Ideas
- LS4.C: Adaptation
- Adaptation by natural selection acting over generations is one important process by which species change over time in response to changes in environmental conditions. Traits that support successful survival and reproduction in the new environment become more common.
Crosscutting Concepts
- Cause and Effect
- Phenomena may have more than one cause, and some cause and effect relationships in systems can only be described using probability.