Mass Extinctions & Evolution: Evidence, Patterns, Adaptation, and Survival
Choice-Based Investigation with Data Analysis and Scientific Argumentation
Guide students through the most consequential turning points in Earth’s history with this inquiry-driven lesson on mass extinctions and evolutionary change. Designed for secondary biology and Earth Science classrooms, this interactive Google Slides experience blends data analysis, student choice, and evidence-based argumentation to help students understand how extinction events reshape life on our planet—and why those events still matter today.
How the Lesson Works
Big-Picture Foundations
Students begin by analyzing a set of comparative infographics that highlight the timing, causes, and biological impact of the five major mass extinction events. This establishes a shared framework and prepares students to evaluate extinction as a scientific phenomenon rather than a list of facts.
Student Choice & Deep Investigation
Students then select three of five extinction-focused investigations, allowing them to explore pathways that best match their interests while maintaining rigorous content expectations. Options include:
The Great Oxygenation Event – Students investigate why plants are green, explore the purple Earth hypothesis, and examine how early life altered planetary chemistry.
The Plant Revolution – Students analyze evidence linking early land plants to ocean anoxia, nutrient runoff, and extinction—then compare these processes to modern human-driven dead zones.
The Permian Extinction (The Great Dying) – Students evaluate fossil evidence through a CER task, using differentiated readings that range from accessible to advanced.
The End-Triassic Extinction – Students critically evaluate an AI-generated infographic, practicing scientific literacy and misinformation detection.
The End-Cretaceous (K–Pg) Extinction – Students analyze geological evidence, including iridium layers and impact data, to understand the extinction of non-avian dinosaurs.
What Happens After a Mass Extinction?
Students conclude by shifting from what happened to why it matters for evolution. After modeling a mass extinction event, students analyze how the loss of biodiversity creates new ecological niches and changes selective pressures. They then use this framework to explain how surviving organisms can diversify over time through natural selection, ultimately leading to the formation of new species. Finally, students apply their reasoning to one of the extinction events they studied, connecting historical evidence to long-term evolutionary change.
Why This Lesson Works
This lesson is intentionally designed to balance content mastery with higher-order thinking. Students practice interpreting data, evaluating competing hypotheses, and constructing evidence-based arguments, all within a flexible structure that supports differentiation and engagement.
By the end of the lesson, students won’t just recognize the “Big Five” mass extinctions—they’ll understand how extinction events operate, how scientists study them, and why extinction remains one of the most urgent topics in modern biology.
To preview this lesson, click here.
NGSS Alignment (High School):
HS-LS4-4; HS-LS4-5
Science & Engineering Practices (SEPs):
Analyzing and Interpreting Data
Constructing Explanations
Obtaining, Evaluating, and Communicating Information
Crosscutting Concepts (CCCs):
Cause and Effect
Stability and Change
Common Core (Literacy in Science):
CCSS.ELA-LITERACY.RST.9-10.1 / RST.11-12.1
CCSS.ELA-LITERACY.RST.9-10.7 / RST.11-12.7
WHST.9-10.2 / WHST.11-12.2
Bundle Upgrade Policy
This lesson is included in one or more bundles. To support flexible purchasing and long-term use of our curriculum, Lesson Laboratory offers a bundle upgrade policy.
If you purchase this lesson and decide at a later date that you would like to upgrade to a bundle, you may request a store credit equal to the total amount paid for duplicate items.
To request an upgrade credit, please email thelessonlaboratory@gmail.com and include:
Your username
The order numbers for both the original purchase(s) and the bundle
The names of the duplicate resources
Requests must be submitted within 30 days of the bundle purchase. Credits are issued as store credit for future Lesson Laboratory purchases and are not provided as cash refunds.
This policy applies only to purchases of resources that are later included in a Lesson Laboratory bundle and is limited to one adjustment per upgrade pathway.
Daily slide + literacy - based exit ticket included with purchase
Join the Lesson Laboratory and Teach for Tomorrow!
Choice-Based Investigation with Data Analysis and Scientific Argumentation
Guide students through the most consequential turning points in Earth’s history with this inquiry-driven lesson on mass extinctions and evolutionary change. Designed for secondary biology and Earth Science classrooms, this interactive Google Slides experience blends data analysis, student choice, and evidence-based argumentation to help students understand how extinction events reshape life on our planet—and why those events still matter today.
How the Lesson Works
Big-Picture Foundations
Students begin by analyzing a set of comparative infographics that highlight the timing, causes, and biological impact of the five major mass extinction events. This establishes a shared framework and prepares students to evaluate extinction as a scientific phenomenon rather than a list of facts.
Student Choice & Deep Investigation
Students then select three of five extinction-focused investigations, allowing them to explore pathways that best match their interests while maintaining rigorous content expectations. Options include:
The Great Oxygenation Event – Students investigate why plants are green, explore the purple Earth hypothesis, and examine how early life altered planetary chemistry.
The Plant Revolution – Students analyze evidence linking early land plants to ocean anoxia, nutrient runoff, and extinction—then compare these processes to modern human-driven dead zones.
The Permian Extinction (The Great Dying) – Students evaluate fossil evidence through a CER task, using differentiated readings that range from accessible to advanced.
The End-Triassic Extinction – Students critically evaluate an AI-generated infographic, practicing scientific literacy and misinformation detection.
The End-Cretaceous (K–Pg) Extinction – Students analyze geological evidence, including iridium layers and impact data, to understand the extinction of non-avian dinosaurs.
What Happens After a Mass Extinction?
Students conclude by shifting from what happened to why it matters for evolution. After modeling a mass extinction event, students analyze how the loss of biodiversity creates new ecological niches and changes selective pressures. They then use this framework to explain how surviving organisms can diversify over time through natural selection, ultimately leading to the formation of new species. Finally, students apply their reasoning to one of the extinction events they studied, connecting historical evidence to long-term evolutionary change.
Why This Lesson Works
This lesson is intentionally designed to balance content mastery with higher-order thinking. Students practice interpreting data, evaluating competing hypotheses, and constructing evidence-based arguments, all within a flexible structure that supports differentiation and engagement.
By the end of the lesson, students won’t just recognize the “Big Five” mass extinctions—they’ll understand how extinction events operate, how scientists study them, and why extinction remains one of the most urgent topics in modern biology.
To preview this lesson, click here.
NGSS Alignment (High School):
HS-LS4-4; HS-LS4-5
Science & Engineering Practices (SEPs):
Analyzing and Interpreting Data
Constructing Explanations
Obtaining, Evaluating, and Communicating Information
Crosscutting Concepts (CCCs):
Cause and Effect
Stability and Change
Common Core (Literacy in Science):
CCSS.ELA-LITERACY.RST.9-10.1 / RST.11-12.1
CCSS.ELA-LITERACY.RST.9-10.7 / RST.11-12.7
WHST.9-10.2 / WHST.11-12.2
Bundle Upgrade Policy
This lesson is included in one or more bundles. To support flexible purchasing and long-term use of our curriculum, Lesson Laboratory offers a bundle upgrade policy.
If you purchase this lesson and decide at a later date that you would like to upgrade to a bundle, you may request a store credit equal to the total amount paid for duplicate items.
To request an upgrade credit, please email thelessonlaboratory@gmail.com and include:
Your username
The order numbers for both the original purchase(s) and the bundle
The names of the duplicate resources
Requests must be submitted within 30 days of the bundle purchase. Credits are issued as store credit for future Lesson Laboratory purchases and are not provided as cash refunds.
This policy applies only to purchases of resources that are later included in a Lesson Laboratory bundle and is limited to one adjustment per upgrade pathway.