Living Earth · Week 15 · Evolution and Earth's History
Natural Selection by the Numbers
Analyzing trait frequency data across generations and separating evidence from assumption when making decisions.
- Students will
- Students analyze data on trait frequencies to explain how natural selection changes populations over generations.
- SEL skill
- Separate evidence from assumption before deciding what data show
- What it looks like
- Students use emotions to think by separating evidence from assumption before they decide.
- Content focus
- Trait frequency across generations
- Format
- Collaborative analysis
Responsible decision-making
Responsible decision-making means using evidence and care to make choices that are safe, ethical, and constructive. More responsible decision-making activities
What you get
A teacher guide with what to say, step by step, plus student pages and a supports page for students with diverse learning needs, including those with IEPs. Print or Project it, or assign it in Google Forms and Google Docs for Google Classroom. Your first 10 activities are free.
Standards
- HS-LS4-3: High School Life Science performance expectation
- Science and engineering practice: SEP4 Analyzing and interpreting data
- Crosscutting concept: CCC1 Patterns
- Literacy in science: RST.9-10.3 Follow a complex multistep procedure when carrying out experiments or taking measurements.
- Traditional course: Biology
Fits these textbook chapters
Textbook names are used only to help you find activities that fit what you teach. RoseThread Connect is not affiliated with these publishers.
More responsible decision-making activities for Living Earth
- Counting Life Fairly Responsible decision-makingStudents compare biodiversity counts from two sampling methods and practice noticing when excitement or doubt shapes a conclusion.
- Energy Pyramids and Waste Responsible decision-makingCalculating energy loss up a food pyramid and weighing food choices with care rather than guilt.
- Sources of Variation Responsible decision-makingArguing whether meiosis, replication errors, or environmentally caused mutations best explain inherited variation, and pausing on strong feelings before choosing a claim.
- Genetics and Ethics Responsible decision-makingEvaluating news claims about gene editing and discussing who should decide how the technology is used.
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RoseThread Connect activities are drafted with the help of AI and shaped by educators. Students never have to share anything personal. Our five SEL skills are informed by CASEL's SEL Framework; RoseThread Learning is not affiliated with or endorsed by CASEL.